Musway NX175.4 – Premium Micro 4-Channel Amplifier
The Musway NX175.4 increases output while maintaining the same premium micro footprint German engineering that delivers serious performance without sacrificing space or installation aesthetics. Measuring just 89 mm wide x 41 mm high x 148 mm long, it’s made for discreet installs in today’s tighter vehicle interiors and is best suited to professional fitment, while still being approachable for experienced DIY builds.
For speaker systems, it produces 4 x 100 W RMS @ 4 ohms or 4 x 175 W RMS @ 2 ohms (13.4 V), giving your speakers the headroom they need for effortless detail and dynamics. For extra versatility, it can be bridged to deliver 2 x 350 W RMS @ 4 ohms bridged, ideal for powering a subwoofer or a higher-output configuration. With an outstanding signal-to-noise ratio of >99 dB and high/low-pass filtering (50–5000 Hz) on both channel pairs, the NX175.4 is a premium choice for clean, controlled, high-fidelity performance in compact installations.
Specifications
|
Channels |
4 |
|
Type |
Digital Class D |
|
Power RMS |
4 x 100 @ 4 Ohm 4 x 175 @ 2 Ohm 2 x 350 @ 4 Ohm bridged |
|
Frequency Range |
10 – 40,000 Hz @ -1 dB |
|
Signal-to-noise Ratio |
> 99 dB |
|
THD+N @ 5 W |
<0.02% |
|
Input Sensitivity |
425mV – 8.0 V |
|
Filter Section CH1/CH2 |
Low pass or High pass filter 50 – 50,000 Hz |
|
Filter Section CH2/CH3 |
Low pass or High pass filter 50 – 50,000 Hz |
|
Operating Voltage |
8.5 – 16.5 V (max. 5 sec. Down to 7 V) |
|
Start-stop Capability |
Yes |
|
Auto Turn-on |
Yes only via high level input |
|
Fuse (external) |
60 A |
|
Dimensions |
89 x 41 x 148mm |
(MUS-NX175.4)



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