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Copyright © 2010. All Rights Reserved. 

REV012011-V31 

 

 SPECIFICATIONS 

 

Audio Monitoring System Kit P.I.C. 

D-51 

D-52 

Microphone 

Model ASM-A 

ASM-B 

Indoor/Outdoor 

Indoor & Outdoor 

Indoor 

Mount Type 

Wall Ceiling 

Monitoring Range 

100ft

/ 9m

Omni-directional 

380ft

2

 / 35m

Omni-directional

 

Denoise Technology 

Yes 

Echo Canceling 

Yes 

Output Level 

0~6V 

Sensitivity 

-47dB 

Frequency Response 

20Hz~20KHz 

Impedance 

600

 (Imbalance) 

Power Supply 

12V DC 

Dimension 

(without wires)

 

1.42”(Ø) x 1.73”(H)  /  

36mm(Ø) x 44mm(H) 

4.25”(Ø) x 1.57”(H)  / 

108mm(Ø) x 40mm(H) 

Weight 

0.18 lb  /  85g 

0.28 lb  /  127.5g 

Interface Adapter 

Model ASP-001 

Power Supply 

12V DC 

Output Current 

< 280mA 

Wave Frequency 

< 20mvrms 

Dimension 

With Mic. Input 
Terminal Block

 

2.91”(W) x 1.14”(H) x 2.8”(D)  /  74mm(W) x 29mm(H) x 71mm(D) 

Without Mic. 
Input Terminal 
Block 

2.91”(W) x 1.14”(H) x 2.44”(D)  /  74mm(W) x 29mm(H) x 62mm(D) 

Weight 

0.25 lb  /  113g 

 

* Specifications are subject to change without notice 

 
 
 
 

IMPORTANT NOTICE  

  Please follow your local privacy laws and regulations when using this product in a public setting. 

  When this equipment is used as part of an audio monitoring system, the law requires that the public be given 

notice of audio monitoring on the premises. 

 

Seller is not responsible for any improper usage of this product.

 

 

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