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Audio Power Output:  

40W maximum, 6 ohms

Internal Battery:  

Built-In 12V/3.3A (rechargeable battery)

External Power:  

18VDC 2A DC regulated power supply

AC Charger Voltage:  

100~240VAC/50~60Hz

AC Power consumption:  

40 VA

Dimension:  

7” x 9” x 11.5” (178 x 229 x 292mm) and  

 

 

Weight: 12.4 lbs. (5.63 Kg.)

Input Sensitivity:  

52dB +/-2dB

Frequency Response:  

150-15KHz +/-3dB

T.H.D.:  

1% @400Hz

Inputs:  

Wireless mic, hardwired mic inputs

Tone Control Range:  

Hi:

 +/-6dB at 10KHz

 Low: 

+/-6dB at 100Hz

M-400 Wired Microphone
Element:  

Moving coil dynamic neodymium

Polar Pattern:  

Uni-directional Cardioid

Frequency Response:  

50Hz - 15KHz (-3dB)

Impedence:  

600 ohms

WHT Wireless Operating
Frequency Range:  

170-216MHz, FM (3E)

Battery/Hours:  

9V/ 8Hours

Wireless Operating Distance:  

100 ft. typical, up to 200 ft. line-of-sight

SPECIFICATIONS

SERVICE

(U.S.) Should your Nady MPA-400 require either  warranty or non-war-

ranty service, please contact the Nady Service Department via phone at 

(510) 652-2411 or e-mail at [email protected] for a Return Authoriza tion 

(R/A) number and a service quote (if out of warranty). Make sure the R/A 

number is clearly marked on the outside of the package and cashier’s 

check or money order is enclosed (if not under warranty or prepaid with 

a credit card). Include a brief description of the problems you are hav-

ing and, if under warranty, a proof of date and place of purchase

(i.e., photocopy of bill of sales), and ship prepaid to:

 

Nady Systems Inc. Service Department

6701 Shellmound Street • Emeryville, CA 94608 

(International) For service, please contact the Nady distributor in your 

country through the dealer from whom you purchased this product.

 

DO NOT ATTEMPT TO SERVICE THIS UNIT YOURSELF AS IT CAN 

BE DANGEROUS AND ALSO VOID THE WARRANT

Summary of Contents for MPA-400

Page 1: ...MPA 400 Wireless Megaphone P A Owner s Manual ...

Page 2: ...e for use in area with high ambient noise levels Ideal for many applications including use in outdoor gatherings classrooms conference meeting rooms churches health clubs and small auditoriums It is powerful yet lightweight and easily portable with its attached shoulder strap We are sure you will find this versatile system a powerful and useful tool for your presentations USING THIS MANUAL This boo...

Page 3: ...s Convenient built in rechargeable battery Powered internally with 12VDC 3 3A rechargeable battery or externally with 18V 2A DC regulated power supply Stand mountable with optional MPA 4S stand Compact lightweight 7 x 9 x 11 5in 178 x 229 x 292mm 12 4 lbs 5 6kg easily transportable with attached shoulder strap WHT TRANSMITTER The Nady WHT is a sleek tapered handheld microphone with these special f...

Page 4: ...e Control 6 Wired Mic Input 1 4 TS mono jack 7 3A Fuse Protects the MPA 400 from overload 8 Power ON OFF Switch 9 Low Battery ON LED Red 10 Battery Charging LED Red 11 Power ON LED Red 12 DC Input Jack for external 18V 2A DC adapter CONTROLS AND CONNECTIONS BATTERY FUSE 3A 250V DC INPUT 16V 18V MPA 400 Wireless Portable Megaphone MIC WIRELESS TONE POWER CHARGING LOW BATTERY POWER MIC IN 4 5 6 7 8 ...

Page 5: ...mpartment single 9v alkaline 15 Power ON MUTE OFF Switch 16 Power Low Battery LED Flashes once for unit on lights steady for low battery alert 17 Mic Input Nady DM 10D element 18 ON OFF Switch 19 XLR Plug In 16 15 14 17 18 19 WHT Handheld Microphone Transmitter 5 ...

Page 6: ... unit is not to be used for a long period of time making sure the battery is fully charged before putting it away for future use Note When the Battery Charge LED 10 does not turn green for an extended of time more than 7 hours while charging or the opera tion time under battery power alone is less then 2 hours the internal 12V 3 3A rechargeable battery might need replacing External Power for Charg...

Page 7: ...oning the MPA 400 with respect to the wired or wireless mic being used Note Microphone elements can easily be destroyed by the buildup of salts and minerals from perspiration and saliva It is good practice to place a windscreen on the mic at all times WIRELESS OPERATION Unscrew the battery compartment Cover End Cap 14 and remove exposing the battery compartment Insert a fresh 9V alkaline battery o...

Page 8: ...eously to increase overall sound level Observe care in selecting volume transmitter location and speaker placement so that acoustic feedback howling and screeching will be avoided Mics that are farther from the sound source require more acoustic gain and thus are also more prone to feedback than close source mics The MPA 400 can be mounted to the MPA 4S optional tripod stand for convenient placeme...

Page 9: ...9 ...

Page 10: ...ine of sight SPECIFICATIONS SERVICE U S Should your Nady MPA 400 require either warranty or non war ranty service please contact the Nady Service Department via phone at 510 652 2411 or e mail at service nady com for a Return Authoriza tion R A number and a service quote if out of warranty Make sure the R A number is clearly marked on the outside of the package and cashier s check or money order i...

Page 11: ...vice department Any service not performed by Nady will automatically void this warranty 2 Items not covered physical damage resulting from improper handling of the unit in transit from the factory by the shipper Nady Systems is not responsible for such damage and all such claims must be made against the shipping company by the consignee defects caused by normal wear of the product expendable parts...

Page 12: ...NADY SYSTEMS INC Emeryville CA USA www nady com ...

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