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Amplifier Guide

 
DISCONTINUED SYSTEMLINE MRA4 4 CHANNEL POWER AMPLIFIER
 

DISCONTINUED SYSTEMLINE MRA4 4 CHANNEL POWER AMPLIFIER
Click for larger image

 
Systemline MRA4 4 Channel Power Amplifier rear panel Systemline MRA4 rear
 
The Systemline MRA4 is a sophisticated four channel power amplifier that would suit multi-room, custom installation and hifi systems.

All four channels will function discretely from input to output or can be switched to share a common input, simplifying wiring. Auto-signal sensing keeps the amp shut down when not in use and automatically wakes it up when the music starts - ideal when the amp is located out of sight.

The amp works in a twin stereo configuration, which enables additional flexibility: independent bass, treble and level controls enable independent tweaking of each pair of speaker outputs and each channel features a loop-through line output, enabling multiple power amplifiers to be daisy-chained for larger systems.
 
Systemline MRA4 files (links open in a new window)
Systemline MRA4 Instruction Manual pdf
MRA4 manual
(0.3 MB)
       
DISCONTINUED SYSTEMLINE MRA4 4 CHANNEL POWER AMPLIFIER SPECIFICATIONS
Inputs: 2 pairs of stereo line ins (RCA/phonos)
Outputs: 2 pairs of four channel speaker-level outputs (BFA/camcon safety connectors)
2 pairs of stereo line outs (loop-through from line ins) (RCA/phonos)
Controls: Configured as a twin stereo power amplifier.
Independent sets of bass and treble controls for each pair of speakers.
Each pair of speaker outputs has two sets of outputs (A and B) which can be switched independently, allowing a possible 4 pairs of speakers to be connected and independently switched.
Independent level controls for each stereo pair.
Auto-music sensor mode - switches amp to standby when no signal is present and switches back on when signal returns
Amplifier power (watts): 4 x 53 (8 Ohms, RMS)
Number of channels: 4
Supplied accessories: 4 BFA/Camcon connectors
W x H x D (mm): 430 x 104 x 360
Weight (kg): 11.2
Finish: Silver
Extra: All four power amps can function discretely from input to output or can be switched to share a common input for fuss-free wiring when all on-board amplifiers and outputs are to deliver the same signal

General information about cables: Mains cables are always included, where applicable. Unless specified under "Supplied accessories", above, high-quality leads are not included. Some separates are supplied with low-quality, "giveaway" leads which will get you going, however we recommend that you use high-quality leads, in order to maximise the performance of your system. In the case of speakers, cables are not included unless specified. Recommended accessories are displayed on the next page, after you click "Add to basket", below.

 
 
 

E&OE
Specifications are subject to change. A great deal of care goes into ensuring that pictures, descriptions and specifications accurately match those of the product. If you spot an error or an omission, .
*"UK Mainland" excludes surcharge regions as outlined on our Delivery Charges page.

 
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