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25/70V 50W Audio Amplifier - Plenum Rated (TAA Compliant)

#40881 C2G
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$567.99 $630.99 MSRP USD

The 25/70V 50W Audio Amplifier is the ideal solution for supporting a distributed audio system in a classroom, conference room or other environment that requires installation in a plenum space. This amplifier supplies 50 Watts of power, 25 Watts per channel, and is built to an industry standard 25/70 Volt design. This amplifier supports many advanced features which make it a perfect fit for most applications
Noise Reduction
Audio systems installed in commercial environments are susceptible to noise caused by an electrical ground loop. This will often manifest as a hum or buzz through the system. This amplifier features noise reduction technology on both the 3.5mm and RCA Stereo Audio inputs. This noise reduction eliminates the interference and allows the audio signal to pass through.
Standby Mode
After five minutes without a signal, the amplifier will enter standby mode providing energy savings. The amplifier will wake from standby mode automatically when a signal is received.
Accessory Power Output
The accessory power output provides 12 Volts DC and 500 mAmps. This makes the amplifier the perfect match for a controller such as the
Connector 1:
(1) 3.5mm Stereo Female
Connector 2:
(1) 3.5mm Microphone Female, (1) RCA Stereo Audio Female
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603 In Stock

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  • Reduces noise in commercial environments
  • Industry standard 25/70 volt design for distributed audio systems
  • Standby mode saves power
  • Designed for installation in Plenum air spaces


General Info
Product Line C2G
Color Black
UPC Number 757120408819
Country Of Origin Taiwan, Province Of China
Application Sector Commercial, Residential
Warranty Type Lifetime
Type Amplifier
Product Width US 4.54 in
Product Height US 1.49 in
Product Length US 4.31 in
Listing Agencies / 3rd Party Agencies
FCC Compliant Yes
Buy American Act Compliance
TAA Compliant Yes
Technical Information


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Questions & Answers

Will this amp duck to a page if tied in? It looks like it would but there is no mention of it.

Asked by: FlattopMike
It sounds like you are asking if the intercom or PA is tied in will it switchover during use, and the answer is yes.
Answered by: Thomas
Date published: 2021-05-28

Does the included external volume control affect the PA input, or will the PA input always be heard regardless of the external volume/mute setting?

Asked by: Ken
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