American Audio Microphone WM64LAV User Manual

							
WM-64HH or WM-64 LAV
User Guide
6122 S. Eastern Ave
Los Angeles Ca. 90040
                          (323) 582-2650
                   Fax (323) 582-2610
 web:   www.AmericanAudio.us
64 Channel Selectable Wireless Microphone or Lavalier
 Rev. 1/08 
						

							
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 2
RISK OF ELECTRIC SHOCKDO NOT OPEN
CAUTION
The exclamation point within an equilateral triangle isintended to alert the user to the presence of importantoperating and maintenance (servicing) instructions inthe literature accompanying the appliance.
The lightning flash with arrowhead symbol, within anequilateral triangle, is intended to alert the user to thepresence of uninsulated dangerous voltage within theproducts enclosure that may be of sufficient magnitudeto constitute a risk of electric shock to persons.
REAd INSTRUCTIONS — All the safety and operatinginstructions should be read before the product isoperated.RETAIN INSTRUCTIONS — The safety and operatinginstructions should be retained for future reference.hEEd WARNINGS — All warnings on the product andin the operating instructions should be adhered to.FOLLOW INSTRUCTIONS — All operating and useinstructions should be followed.CLEANING — The product should be cleaned only witha polishing cloth or a soft dry cloth. Never clean withfurniture wax, benzine, insecticides or other volatileliquids since they may corrode the cabinet.ATTAChMENTS — Do not use attachments notrecommended by the product manufacturer as theymay cause hazards.WATER ANd MOISTURE — Do not use this productnear water — for example, near a bathtub, washbowl, kitchen sink, or laundry tub; in a wet basement;or near a swimming pool; and the like.ACCESSORIES — Do not place this product on anunstable cart, stand, tripod, bracket, or table. Theproduct may fall, causing serious injury to a child oradult, and serious damage to the product. Use onlywith a cart, stand, tripod, bracket, or tablerecommended by the manufacturer, or sold withthe product. Any mounting of the product shouldfollow the manufacturer’s instructions, and shoulduse a mounting accessory recommended by themanufacturer.CART — A product and cart combination should bemoved with care. Quick stops, excessive force, anduneven surfaces may cause the product and cartcombination to overturn.
vENTILATION — Slots and openings in the cabinet areprovided for ventilation and to ensure reliableoperation of the product and to protect it fromoverheating, and these openings must not beblocked or covered. The openings should never beblocked by placing the product on a bed, sofa, rug,or other similar surface. This product should not beplaced in a built-in installation such as a bookcase orrack unless proper ventilation is provided or themanufacturer’s instructions have been adhered to.POWER SOURCES — This product should be operatedonly from the type of power source indicated on themarking label. If you are not sure of the type ofpower supply to your home, consult your productdealer or local power company.LOCATION – The appliance should be installed in astable location.NONUSE PERIOdS – The power cord of the applianceshould be unplugged from the outlet when left un-used for a long period of time.
GROUNdING OR POLARIZATION•If this product is equipped with a polarized alternatingcurrent line plug (a plug having one blade wider thanthe other), it will fit into the outlet only one way. Thisis a safety feature. If you are unable to insert the plugfully into the outlet, try reversing the plug. If the plugshould still fail to fit, contact your electrician toreplace your obsolete outlet. Do not defeat thesafety purpose of the polarized plug.•If this product is equipped with a three-wiregrounding type plug, a plug having a third (grounding)pin, it will only fit into a grounding type power outlet.This is a safety feature. If you are unable to insert theplug into the outlet, contact your electrician toreplace your obsolete outlet. Do not defeat thesafety purpose of the grounding type plug.POWER-CORd PROTECTION - Power-supply cordsshould be routed so that they are not likely to bewalked on or pinched by items placed upon oragainst them, paying particular attention to cords atplugs, convenience receptacles, and the point wherethey exit from the product.OUTdOOR ANTENNA GROUNdING — If an outsideantenna or cable system is connected to the product,be sure the antenna or cable system is grounded soas to provide some protection against voltage surgesand built-up static charges. Article 810 of the NationalElectrical Code, ANSI/NFPA 70, provides informationwith regard to proper grounding of the mast andsupporting structure, grounding of the lead-in wireto an antenna discharge unit, size of groundingconductors, location of antenna-discharge unit,c o n n e c t i o n t o g r o u n d i n g e l e c t r o d e s , a n drequirements for the grounding electrode. See FigureA.LIGhTNING — For added protection for this productduring a lightning storm, or when it is left unattendedand unused for long periods of time, unplug it fromthe wall outlet and disconnect the antenna or cablesystem. This will prevent damage to the productdue to lightning and power-line surges.POWER LINES — An outside antenna system shouldnot be located in the vicinity of overhead power linesor other electric light or power circuits, or where itcan fall into such power lines or circuits. Wheninstalling an outside antenna system, extreme careshould be taken to keep from touching such powerlines or circuits as contact with them might be fatal.OvERLOAdING — Do not overload wall outlets,extension cords, or integral convenience receptaclesas this can result in a risk of fire or electric shock.
OBJECT ANd LIQUId ENTRY - Never push objects ofany kind into this product through openings as theymay touch dangerous voltage points or short-outparts that could result in a fire or electric shock.Never spill liquid of any kind on the product.SERvICING — Do not attempt to service this productyourself as opening or removing covers may exposeyou to dangerous voltage or other hazards. Refer allservicing to qualified service personnel.dAMAGE REQUIRING SERvICE  - Unplug this productfrom the wall outlet and refer servicing to qualifiedservice personnel under the following conditions:• When the power-supply cord or plug is damaged.•If liquid has been spilled, or objects have fallen intothe product.•If the product has been exposed to rain or water.•If the product does not operate normally by followingthe operating instructions. Adjust only those controlsthat are covered by the operating instructions as animproper adjustment of other controls may result indamage and will often require extensive work by aqualified technician to restore the product to itsnormal operation.•If the product has been dropped or damaged in anyway.• When the product exhibits a distinct change inperformance — this indicates a need for service.REPLACEMENT PARTS -- When replacement partsare required, be sure the service technician has usedreplacement parts specified by the manufacturer orhave the same characteristics as the original part.Unauthorized substitutions may result in fire, electricshock, or other hazards.SAFETY ChECK - Upon completion of any service orrepairs to this product, ask the service technician toperform safety checks to determine that the productis in proper operating condition.WALL OR CEILING MOUNTING — The product shouldnot be mounted to a wall or ceiling.hEAT — The product should be situated away from heatsources such as radiators, heat registers, stoves, orother products (including amplifiers) that produceheat.
IMPORTANT SAFETY INSTRUCTIONS
ANTENNALEAD INWIRE
GROUNDCLAMP
ANTENNADISCHARGE UNIT(NEC SECTION 810-20)
GROUNDING CONDUCTORS(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDINGELECTRODE SYSTEM(NEC ART 250, PART H)
ELECTRICSERVICEEQUIPMENT
Fig. A
NEC — NATIONAL ELECTRICAL CODE
C A U T I O N : T O R E D U C E T H E R I S K O F E L E C T R I C SHOCK, DO NOT REMOVE THE COVER (OR BACK). T H E R E A R E N O U S E R S E R V I C E A B L E P A R T S INSIDE  REFER SERVICE TO YOUR AUTHORIZED AMERICAN AUDIO® SERVICE TECHNICIAN.
   WM-64™               ELECTRICAL SAFETY PRECAUTIONS 
						

							
Every  WM-64HH™  and  WM-64LAV™  has 
been  thoroughly  tested  and  has  been  shipped 
in  perfect  operating  condition.  Carefully  check 
the  shipping  carton  for  damage  that  may  have 
occurred during shipping. If the carton appears 
to  be  damaged,  carefully  inspect  your  wire-
less  microphone  for  any  damage  and  be  sure 
all  equipment  necessary  to  operate  the  wire-
less microphone has arrived intact. In the event 
damage  has  been  found  or  parts  are  missing, 
please  contact  our  toll  free  customer  support 
number  for  further  instructions.  Please  do  not 
return  the  wireless  microphone  to  your  dealer 
without first contacting customer support.
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 3
WARRANTY INFORMATION
The WM-64HH™  and WM-64LAV™ carries 
a ONE  year  (365  days)  limited  warranty.  This 
warranty covers parts and labor. Please fill out 
the  enclosed  warranty  card  to  validate  your 
purchase  and  warranty.  All  returned  service 
items  whether  under  warranty  or  not,  must  be 
freight pre-paid and accompany a return autho-
rization  (R.A.)  number.  If  the  unit  is  under  war-
ranty,  you  must  provide  a  copy  of  your  proof 
of  purchase  invoice.  Please  contact  American 
Audio® customer support at (800) 322-6337 for 
a R.A. number.
   WM-64™                                        PROdUCT INFORMATION
The  serial  and  model  number  for  this  unit  is 
located  on  the  rear  panel.  Please  write  down 
the  numbers  here  and  retain  for  future  refer-
ence. 
Model No._____________________________
Serial No._____________________________
Purchase Notes:
Date of Purchase_______________________
Dealer Name__________________________
Dealer Address_________________________
_____________________________________
_____________________________________
Dealer Phone__________________________
I.  Heat - The receiver should be situated away 
from heat sources such as radiators, heat reg-
isters,  stoves,  or  other  appliances  (including 
amplifiers) that produce heat.
2.  Do not let insecticides, benzene, or thinner 
come in contact with the surface of the unit.
3.    Never  disassemble  or  modify  your  unit  in 
any way, doing so will void your manufactures 
warranty.
4.  Never plug this unit in to a dimmer pack
5.    Do  not  attempt  to  operate  this  unit  if  it 
becomes damaged in any way.
6.  This unit is intended for indoor use only, use 
of this product outdoors voids all warranties.
7.    Always  mount  this  unit  in  safe  and  stable 
matter.
8.  Disconnect from main power before making 
any type of connection.
WARNING:  TO  PREVENT  FIRE  OR  SHOCK 
HAZARD,  DO  NOT  EXPOSE  THIS  UNIT  TO 
WATER OR MOISTURE 
NOTE:  This  product  satisfies  FCC  regulations 
when  shielded  cables  and  connectors  are 
used  to  connect  the  unit  to  other  equipment. 
To  prevent  electromagnetic  interference  with 
electrical  appliances  such  as  radios  and  tele-
visions,  use  shielded  cables  and  connectors 
for connections. 
						

							
Introductions: Congratulations and thank you for purchasing the American Audio® WM-64HH™ or 
WM-64LAV™. These wireless systems are a representation of American Audio’s continuing commit-
ment to produce the best and highest quality audio products possible at an affordable price. Please 
read and understand this manual completely before attempting to operate your new wireless micro-
phone. Please carefully read and understand the instructions in this manual thoroughly before attempt-
ing to operate this unit. These instructions contain important safety information regarding the use and 
maintenance of this unit. Take special care to follow all warning symbols and labels both on the unit 
and printed in this manual. Please keep this manual with the unit, for f\
uture reference.
Customer Support: 
American  Audio®  provides  a  toll  free  customer  support  line,  to  provide  set  up  help  and  answer  any 
question should you encounter problems during your initial set up or operation. You may also visit us 
on the web at www.americanaudio.com for any comments or suggestions. Service Hours are Monday 
through Friday 9:00 a.m. to 5:30 p.m. Pacific Standard Time.
 Voice:    (800) 322-6337 
 Fax:    (323) 582-2941
 E-mail:   [email protected]
To purchase parts online visit http://parts.americandj.com
Caution!  There  are  no  user  serviceable  parts  inside  the  receiver  and  microphone  or  lavalier.  Do  not 
attempt any repairs yourself, without being instructed to do so by an authorized American Audio ser-
vice technician. Doing so will void your manufactures warranty. In the unlikely event your microphone 
or receiver may require service, please contact American Audio® customer support.
Do not discard the packing carton in the trash. Please recycle when ever possible.
Please be sure to make any connections before plugging the receiver in to an electrical outlet. Volume 
control should be set to zero or minimum position, before the receiver is switched on. If the receiver 
has been exposed to drastic temperature fluctuation (e.g. after transportation), do not switch on the 
receiver immediately. The arising condensation of water might damage your device. Leave the device 
switched off until it has reached room temperature.
Operating Determinations:
• When installing this unit, please make sure that the device is not exposed or will not be 
 exposed to extreme heat, moisture or dust!
• Do not operate the unit in extremely hot (more than 30°/100°F) or extremely cold (less than 
 5°C/40°F) surroundings. 
• Keep the unit out of direct sunlight and away from heaters.
• Operate the unit only after becoming familiar with its functions. Do not\
 permit operation by 
 persons not qualified for operating the unit. Most damages are the result of unprofessional 
 operation!
• Do not attempt to operate this unit if the power cord has been frayed or damaged. 
• Disconnect from main power before making any type of connection.
• Do not attempt to operate this unit, if it becomes damaged in any way.
• Never operate this unit when it’s covers are removed.
• To reduce the risk of electrical shock or fire, do not expose this unit to rain or moisture.
• This unit is intended for indoor use only, use of this product outdoors voids all warranties.
• During long periods of non-use, disconnect the unit’s main power.
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 4
   WM-64™                                                                     INTROdUCTION
   WM-64™                                                         SET UP PRECAUTIONS 
						

							
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 5
   WM-64™                           RECEIvER CONTROLS ANd FUNCTIONS
1.  Power Button - Press this button for 4 seconds to turns On the receiver.
2.  AF Indicator LEd - These LED’s will indicate when the clearest transmitter signal has been 
reached.
3.  RF Indicator LEd - These LED’s will indicate when the antennas are receiving the clearest RF 
Signal is being reached.
4. LCd Channel display - This screen will display the current channel you have set.
5. Up & down Buttons - Use these buttons to find your desired channel. You must also set the Mic 
or Lavalier to same channel as the receiver. 
6. Set/Scan Button - Use this button to go into channel search mode, or to auto scan for a clear  
channel
7.  volume Knob - Controls the volume of the receiver output.
8. dC Out - Use this supplied cable to connect the receiver and the microphone. It takes around 10 
hours to charge.
9.  Antennas - Receives RF signals from the transmitter.
10.  12v dC Input - Connect the included power supply to this input, or any other 12v power \
adapt-
er.
11.  Squelch Adjustment - The squelch adjusts the output level to prevent external noise. If you set 
the squelch to high you will reduce the range of the system. Set the squelch to a minimum before 
turning the receiver on.
12. Mic/Line Switch - This switch lets you select your output source. If your connected to the line 
input on a mixer or amplifier set the switch to “Line”. If your connected to a Mic input on a mixer or 
BALANCED
POWER
LINEMICUNBALANCED
AUDIOOUTPUT
12V500mASQUELCHDCONLY
RFAFVOLUME
SET/SCAN
DCOUT
1652
111391412109
8734 
						

							
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 6
   WM-64™                                                                          OPERATION
1.  Plug the receiver in and press the power button for at least 2 seconds to turn on the receiver.  
Note: Make sure the squelch on the receiver is turned the minimum before switching on the 
power.
2.  Select the channel. There are two ways to set the Channel. 
      -  Press and hold the SET/SCAN button for 3 seconds to auto search for the next clear channel.  
      -  Press the SET/SCAN button for 1 second it will start to flash. Press the UP button to switch to              
 
         the next group of numbers and the DOWN button to select your desired channel in the group.    
 
         After you have found your desired channel allow the LCD to stop flashing and your channel will   
         be locked into the receiver.
3.  Press the power button on the mic located at the bottom for 2 seconds to t\
urn on the mic. Set        
 
     the mic channel to the same channel as the receiver. The channel setting is located on the other    
 
     side of the battery compartment. There are two turn dials if you are setting to a two digit channel     
 
     number, the top dial is the first digit and the bottom dial is the second digit. If the signal from the
     mic is being received by the receiver the RF LED should light up. 
4.  Speak, sing, or play your instrument at a typical level. The AF LED’s should flicker when receiving    
 
     a signal from the microphone.
5.  When finished, turn the mic “Off” by pressing the power button for 2 seconds. Then press the    
     power button on the receiver for 2 seconds to turn it “Off”.
Note: If you have rechargable batteries installed in the mic, you can connect the supplied 
cable to the DC out located on the front of the receiver to the input jack on the bottom of the 
mic and recharge the batteries.
Receiver Set Up
1.  Plug the included power supply into the DC input connector on the ba\
ck of the receiver.
2.  Plug the other end of the power supply into an power outlet.
Note: Make sure the squelch on the receiver is turned the minimum.
Microphone Set Up
1.  Unscrew the bottom part of the microphone. The battery compartment is located inside of the         
 
     microphone. Insert two AA batteries. 
2.  Screw the bottom of the microphone back into place.
Connecting the Receiver Output
1.  You can connect the receiver to a output source using a cable with an 1/4’’ jack or 3-pin XLR             
 
     female connection. 
2.  Connect one end of the cable to the receiver, and the other end into the mic or line input of a    
 
     mixer, PA system, or amplifier. Set the Mic/Line switch accordingly on the receiver. 
   WM-64™                                          MICROPhONE SYSTEM SET  UP
amplifier set the switch to “Mic”. 
13.  Unbalanced 1/4” Output - This unbalanced output can be used to connect the receiver to the 
line-level input of a mixer or amplifier.
14.  Balanced XLR Output -  This balanced XLR output can be used to connect the receiver to bal-
anced input of mixer or amplifier. 
   WM-64™                           RECEIvER CONTROLS ANd FUNCTIONS 
						

							
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 7
   WM-64™                                                        LA vALIER  OPERATION
Receiver Set Up
1.  Plug the included power supply into the DC input connector on the ba\
ck of the receiver.
2.  Plug the other end of the power supply into an power outlet.
Note: Make sure the squelch on the receiver is turned the minimum.
Lavalier Set Up
1.  Insert two AA batteries into the back battery compartment of the lav\
alier bodypack. 
2.  Connect the headset to the bodypack via the attached mini XLR cable.\
 Make sure the Gain con-   
     trol located on the bottom right side of the bodypack is set to a minimum \
level.
Connecting the Receiver Output
1.  You can connect the receiver to a output source using a cable with an 1/4’’ jack or 3-pin XLR              
 
     female connection. 
2.  Connect one end of the cable to the receiver, and the other end into the mic input of a mixer, PA       
 
     system, or amplifier. Set the Mic/Line switch accordingly on both the receiver and lavalier.
   WM-64™                                                 LA vALIER SYSTEM SET  UP
1.  Plug the receiver in and press the power button for at least 2 seconds to turn on the receiver.  
Note: Make sure the squelch on the receiver is turned the minimum before switching on the 
power.
2.  Select the channel. There are two ways to set the Channel. 
      -  Press and hold the SET/SCAN button for 3 seconds to auto search for the next clear channel.  
      -  Press the SET/SCAN button for 1 second it will start to flash. Press the UP button to switch to              
 
         the next group of numbers and the DOWN button to select your desired channel in the group.    
 
         After you have found your desired channel allow the LCD to stop flashing and your channel will   
         be locked into the receiver. 
3.  Switch the power to “On” on the top of the lavalier. Set the lavalier channel to the same channel             
 
     as the receiver. The channel setting is located on the side of the bodypack. There are two turn 
     dials if you are setting to a two digit channel number, the top dial is the first digit and the bottom    
 
     dial is the second digit. If the signal from the lavalier is being received by the receiver the RF LED    
 
     should light up. 
4.  Speak, sing, or play your instrument at a typical level. The AF LED’s should flicker when receiving   
     a signal from the lavalier.
5.  When finished, switch the lavalier “Off”. Then press the power button on the receiver for 2 sec-    
 
     onds to turn it “Off”. 
						

							
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 8
   WM-64™                                                         TROUBLE  ShOOTING
Trouble Shooting: Listed below are common problems you may encounter, and their solutions.
There is no power to the unit:
1.   Make sure you have connected the power cord to a 120v wall outlet.
There is little or no sound:
1.   Make sure the battery is inserted properly (+/- battery terminals must match transmitter termi 
nals).
2.   Move transmitter closer to the receiver.
3.   Is the low battery LED lit? If so replace the battery.
4.   Make sure the receiver volume is not turned all the way down.
5.   Check the cable connection between receiver and amplifier or mixer. 
There is a momentary loss of sound when the transmitter is moved around the area:
1. Move the receiver around a perform walk-through tests. If audio dropouts continue, mark the 
“dead” areas and avoid the during performance.
Radio signals are interrupting performance:
1. Change the channels on both the transmitter and receiver. 
						

							
1-YEAR LIMITEd WARRANTY
A.	 American	Audio®	hereby 	warrants, 	to 	the 	original 	purchaser, 	American 	Audio®	products 	to	
be 	free 	of 	manufacturing 	defects 	in 	material 	and 	workmanship 	for 	a 	period 	of 	1 	Year 	(365 	days)	
from 	the 	date 	of 	purchase. 	This 	warranty 	shall 	be 	valid 	only 	if 	the 	product 	is 	purchased 	within 	the	
United 	States 	of 	America, 	including 	possessions 	and 	territories. 	It 	is 	the 	owner’s 	responsibility 	to	
establish 	the 	date 	and 	place 	of 	purchase 	by 	acceptable 	evidence, 	at 	the 	time 	service 	is 	sought.	
B.	 For	 warranty	 service,	send	the	product	 only	to	the	 American	 Audio®	factory.	 All	shipping	
charges	 must	be	pre-paid.	 If	the	 requested	 repairs	or	service	 (including	 parts	replacement)	 are	
within	the	terms	 of	this	 warranty,	 American	 Audio®	will	 pay	 return	 shipping	 charges	only	to	a	
designated	 point	within	 the	United	 States.	 If	the	 entire	 instrument	 is	sent,	 it	must	 be	shipped	
in	its	original	package.	No	accessories	should	be	shipped	with	the	product.	If	any	accessories	
are	 shipped	 with	the	product,		 American	 Audio®		shall		 have	no	liability	 whatsoever	 for	loss	 of	
or	damage	to	any	such	acces-sories,	nor	for	the	safe	return	thereof.		
C.	 This	 warranty	 is	void	 if	the	 serial	 number	 has	been	 altered	 or	removed;	 if	the	 product	 is	
modified  in  any  manner  which  American  Audio®	concludes,	 after	inspection,	 affects	the	reli-
ability	 of	the	 product;	 if	the	 product	 has	been	 repaired	 or	serviced	 by	anyone	 other	than	the	
American	 Audio®	factory	 unless	prior	written	 authorization	 was	issued	 to	purchaser	 by	Ameri-
can	 Audio®;	if	 the	 product	 is	damaged	 because	not	properly	 maintained	 as	set	 forth	 in	the	
instruction	manual.	
D.	 This	 is	not	 a	service	 contract,	 and	this	warranty	 does	not	include	 maintenance,	 cleaning	
or periodic check-up. During the period specified above, American Audio®	will	 replace	 defec-
tive	parts	 at	its	 expense,	 and	will	absorb	 all	expenses	 for	warranty	 service	and	repair	 labor	by	
reason	 of	defects	 in	material	 or	workmanship.	 The	sole	 responsibility	 of	American	 Audio®under	
this	warranty	 shall	be	limited	 to	the	 repair	 of	the	 product,	 or	replacement	 thereof,	including	
parts,	at	the	 sole	 discretion	 of	American	 Audio®.	All	 products	 covered	by	this	 warranty	 were	
manufactured	after	January	1,	1990,	and	bear	identifying	marks	to	that	effect.	
E.	 American	 Audio®	reserves	 the	right	 to	make	 changes	 in	design	 and/or	improvements	 upon	
its	products	 without	any	obligation	 to	include	 these	changes	 in	any	 products	 theretofore	 manu-
factured.	
F.	 No	warranty,	 whether	expressed	 or	implied,	 is	given	 or	made	 with	respect	 to	any	 acces-
sory	 supplied	 with	products	 described	 above.	Except	 to	the	 extent	 prohibited	 by	applicable	
law,	 all	implied	 warranties	 made	by	American	 Audio®	in	 connection	 with	this	product,	 including	
warranties of merchantability or fitness, are limited in duration to the warranty period set forth 
above.	And	no	warranties,	 whether	expressed	 or	implied,	 including	 warranties	 of	merchant-
ability or fitness, shall apply to this product after said period has expired. The consumer’s and 
or	 Dealer’s	 sole	remedy	 shall	be	such	 repair	 or	replacement	 as	is	expressly	 provided	above;	
and	under	 no	circumstances	 shall	American	 Audio®	be	 liable	 for	any	 loss	 or	damage,	 direct	or	
consequential,	arising	out	of	the	use	of,	or	inability	to	use,	this	product.		
G.		This	 warranty	 is	the	 only	 written	 warranty	 applicable	 to	American	 Audio®	Products	 and	su-
persedes	 all	prior	 warranties	 and	written	 descriptions	 of	warranty	 terms	and	conditions	 here-
tofore	published.	
   WARRANTY
©American Audio®   -   www.americanaudio.com   -   WM-64™ Instruction Manual Page 9 
						

							
GENERAL  Model: American Audio® WM-64hh and WM-64LA vSystem:  64 Channel UHF Wireless Microphone or Lavalier SystemDimensions:   Receiver: 1.73” H x 7.09” W x 8.31” LInstallation:                          Place on flat surface or mount in flat caseWeight:  Mic & Receiver: 1.52 Lbs. / .69 kgs        Bodypack, Lavalier, & Receiver:  1.3lbs / 0.59 Kgs. Power supply: DC 12V - 18V / For Receiver   Wireless Range: 150ft.
Environmental conditions: Operational temperature: 5 to 35˚C (41 to 95˚F)          Operational humidity: 25 to 85% RH (non-condensation)           Storage temperature: -20 to 60˚C (4 to 140˚F)
RECEIvER:Frequency Stability: + 0.005%Receiving Sensitivity:  At 5 µ V over 80dB S/N ratioImage & Spurious Rejection: 80dB minimumSelectivity: > 50dBTone Signal: 32.768KHzS/N ratio: > 94dB, at 48KHz deviation and 60dB µ V antenna inputAF Response: 50Hz to 15KHzT.H.D. Rate: Less than 1.0% (at 1KHz)Audio Output: Balanced and Unbalanced outputsPower supply: DC 12V - 18V Current Consumption: 150mA ± 10mA
Mic/Bodypack Transmitter:RF Power Output: 10mW (max)Frequency stability: +0.005%T.H.D. rate: < 1% (at 1KHz)Oscillation mode: PLL synthesized, 64 Channel selectableSpurious Emission: > 60dB below carrier frequencyMaximum Deviation: + 48KHz with limiting compressorCurrent consumption: 110mA at 3VBattery: DC3V (2 x 1.5V AA batteries) or DC2.4V (2 x 1.2V AA rechargeable batteries)Tone Signal: 32.768KHz    
NOTES:
The specifications are subject to change to any improvement by negotiations in advance.The parts are subject to change to any improvement within the range of the specifications.
 SPECIFICATIONS
©American Audio® World Headquarters:
6122 S. Eastern Ave. Los Angeles, CA 90040 USA
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