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The 

A0240

 is a 2-channel 40 Watt class D amplifier. It can be used to 

power a small 1-room audio system or integrated with Channel Vision’s 
A0302 to provide supplemental power to low power distributed audio 
systems. It’s compact size makes it easy to hide and its versatile power 
plug allows direct wall plug-in or tabletop operation using the detachable 
power cable.  With its easy installation and operation, the A0240 is perfect 
for any audio system that just needs a little more power.

Features:

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40 Watts per channel

!

Compact size

!

Audio-sensing power shut off to conserve energy 

!

Easy installation 

Accessories & Complementary Products 

(sold separately)

A0302... 

Speaker to 

Line-Level Converter
The A0302 can 
convert the speaker-
leveloutput of an audio 
amplifier to a line-level 
output that can be 
used to drive the 
A0240.

In-wall and In-ceiling 
Speakers... 

Channel 

Vision offers a full line 
of premium in-wall and 
in-ceiling speakers. 
These speakers are 
perfect for whole-
house music or home 
theater applications.

VC-302... 

Impedance Matching Volume Control

The VC-302 is an impedance matching volume control with an 
IR receiver knockout.  The knockout allows Channel Vision’s IR-
2400 to be integrated with the volume control for applications 
that require IR repeating.  The VC-302 comes with white, ivory, 
and almond knobs and face plates to easily match other wall 
plates in the room.  

Amp-Link

Connect to Channel Vision’s A0302

Amp-Link Cable (included)

18”

L/R Line Level Inputs

Connect source output here

L/R Line Level Input Adjustments

Adjust to limit the maximum input level

Power LED

Lights when power is on

Signal LED

Lights when input signal is present

Speaker Outputs

Connect speaker wires here

Removable Power Plug

Allows direct plug in, or
can be removed and replaced
with the standard power cable.

Power Cable (included)

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions.
2. Keep these instructions for future reference
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this device near water.
6. Clean only with a dry cloth.
7 Do not block any ventilation openings.  Install in accordance with these 
instructions.
8. Do not install near any heat sources such as radiators, heat registers, 
stoves, or other apparatus (including amplifiers) that produce heat.  
9. This apparatus must not be exposed to dripping or splashing and no 
objects filled with liquids, such as vases, shall be placed on the apparatus.
10. Protect the power cord from being walked on or pinched particularly at 
plugs, convenience receptacles, and the point where they exit from the 
apparatus.
12. Unplug this apparatus during lightning storms or when unused for long 
periods of time.

15.

Warning: To reduce the risk of electric shock, do not remove the cover (or 
back), no user serviceable parts inside, refer servicing to qualified service 
personnel.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

RISK OF ELECTRIC SHOCK

DO NOT OPEN

!

Summary of Contents for A0240

Page 1: ...A0240 40 Watt Stereo Amplifier 8 ...

Page 2: ... that just needs a little more power Features 40 Watts per channel Compact size Audio sensing power shut off to conserve energy Easy installation A Amp Link Connect to Channel Vision s A0302 Amp Link Cable included 18 L R Line Level Inputs Connect source output here L R Line Level Input Adjustments Adjust to limit the maximum input level Power LED Lights when power is on Signal LED Lights when inp...

Page 3: ...nstructions 2 Keep these instructions for future reference 3 Heed all warnings 4 Follow all instructions 5 Do not use this device near water 6 Clean only with a dry cloth 7 Do not block any ventilation openings Install in accordance with these instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 This...

Page 4: ... channel to the speakers This is the perfect way to add power to low power distributed audio systems B Speakers powered by A0240 40Watt Amplifier A Speakers powered by AB 124 keypad Set switch to SPKRS IN AB 124 keypad rear view Wh Au Place switch in L R mode Speaker level audio is converted to line level to drive the amp Amplified audio is returned to the A0302 through the Amp Link cable N t s d ...

Page 5: ... System Note Local source audio devices should have a variable audio output Use the volume control on the device to change the volume level in the speakers Portable music players and TVs are often used as local source devices Place switch in L R mode Speaker level audio is converted to line level to drive the amp Amplified audio is returned to the A0302 through the Amp Link cable A0240 Speaker Lev...

Page 6: ...ource through your home s electrical wiring and the HP 350 receiver outputs the audio to an amplifier such as the A0240 Speaker Wire A0240 HP 350 HP 300 Shi P Amp The with refe Use the remote provided with the HP 350 to adjust volume levels in the speakers O V L L V O C H U M T E h n e C a n l T M s V i i o n T M A 0 5 1 2 IR Receiver Audio Source Spe Pow Out Freq Sign Inpu Aut A BU ...

Page 7: ... is intended to be used with Channel Vision A0302 wall plate The pin out is provided here for reference Specifications typical at 25 degrees C Power input 110 240VAC 50 60Hz Output power 40 Watts channel RMS into 6 ohms 4 THD Frequency Response 20 20kHz 3dB Signal to Noise Ratio 85dB Input Sensitivity 500mVRMS Auto On Threshold 10mVRMS Specifications subject to change without notice A BUS is a reg...

Page 8: ...rchase receipt invoice or other proof of original purchase date will be required before warranty repairsareprovided Mail in service can be obtained during the warranty period by calling 800 840 0288 toll free A Return Authorization number must be obtained in advance and can be marked on the outside of the shipping carton This warranty gives you specific legal rights and you may have other rights w...

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