SGA-40 White
SGA-40 In-Wall Amplifier

£99.00 (Inc. VAT)

£82.50 (Exc. VAT)

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Quick Overview

The SGA-40 in wall amplifier is perfect solution for schools, classrooms, hotels, and board rooms. Simple to use and built into the wall. Also perfect for domestic environments kitchens and rooms where you need to keep surfaces clear. The SGA-40 can be mounted in a conventional wall box or dado track.

Supplied with white frame (as shown) and UK power supply.


Product Description

The SGA-40 In Wall amplifier use an 86% efficient Class D design offering higher quality sound with lower power usage and has an RMS output of 20 watts per channel into 8 Ohms when powered from an 18V power supply or 10 watts when powered by the included 12V power supply. As most good quality loudspeakers are 8 Ohms, maximum efficiency is assured. In addition the amplifier adopts an ultra low stand by status when no signal is present.

The SGA-40 is manufactured in the 50mm Euro style and comes complete with a white single mounting frame for the full installation a 35mm deep back box will be required or it can be installed into a single DIN back box as used in the European market.

Installation is very simple, it is fitted with two rear stereo inputs on screw terminal for hard wired connections for sources such as computer audio, DVD player or similar along with two 3.5mm stereo jacks on the front panel for other sources.

The amplifier can be successfully installed into Class rooms / meeting rooms, hotel rooms and bedrooms. When used in hotel rooms, inputs from the room TV and Hi-Fi are connected to the rear terminals allowing guests to connect their laptop or MP3 player to stream their own music choice in their room. Within the classroom / meeting room the SGA-40 used in conjunction with an VGA-Audio input plate you can provide video and XVGA inputs to the projector as well as the audio to the amplifier.

Team the SGA-40 in wall amplifier with our Russound custom installer RSF-610, Twin Core Speaker cable (10 metres) and Stereo-Head phone input plates for only £245.00 (Ex VAT) the complete solution at a competitive price. The RSF-610 in ceiling speakers are a versatile and our most popular stereo cutom install speaker. This is a simple specification package for the European market cost effective, energy efficient, easy to install and excellent quality.

The SGA-40 can be fitted into a range of mounting frames with different colour finishes to match your environment or decor.


  • Cost effective
  • Energy efficient
  • Easy to specify
  • Easy to install
  • Bandwidth: 20Hz to 22KHz +/- 1dB
  • Low 0.1% THD + noise & 70dB SNR
  • 20 watts stereo
  • The SGA-40 carries a 3 year return to base warranty
  • Normally supplied with UK supply add “EU” to order code for European supply



 Power Output , 12V Stereo Mode  10W RMS* per channel into 8 Ohms
 Power Output , 15V Stereo Mode  20W RMS* per channel into 8 Ohm
20Hz to 22KHz +/- 1dB
 THD & Noise  0.1% THD +noise & 70dB SNR
 Gain  26dBu
 Coupling  Input: AC; Output DC.
 Minimum input for full power  -6dB
 Protection  Integral, auto resetting, current limit& thermal protection. integrated click & pop suppression
Power Source 12V DC @ 2.5A ( supplied ) or 18V DC @ 3.5A
 Power Connector 2.1mm DC connector, centre
No signal current (12V) 28mA
Standby current (12V) 10mA

* The SGA-41 is a class D switching amplifier so the RMS values are RMS equivalent, this is that they give the same Sound Pressure Level using music or speech from a loudspeaker as a linear amplifier delivering the quoted RMS level

Tech Info

Manual Technical Sheet

Application Diagram

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