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Overview:

Small in size, massive in performance—the MUSWAY M4 Nano redefines what a compact amplifier can do. Engineered with advanced Class D technology, this 4-channel amplifier provides detailed, dynamic sound with minimal heat generation and high efficiency.

The M4 Nano offers flexible installation options thanks to its ultra-compact housing, making it perfect for under-seat mounting or hidden installations. With stable operation at 2 ohms and bridged capability at 4 ohms, it delivers versatile system-building options—whether you're powering component speakers, coaxials, or bridging channels for more output.

Specifications:

Distortion - THD, 1 kHz @ 4 Ω, 5 W:
0.01 %

Bandwidth -3 dB, 2 V/RMS, 4 Ω @ -1 dB:
10 Hz - 22 kHz

S/N ratio @ A weighted, 1 V, Max. Power:
100 dB

Damping factor @ 1 kHz, 2 V/RMS, 4 Ω:

75

Input Sensitivity:
3 - 24 V/RMS (high-level)
0.7 - 6 V RMS (low-level)

Input Impedance:
18 Ω (high-level)

Load Impedance (Min.):
4 CH @ 2 Ω
2 CH bridged @ 4 Ω

Output Power RMS @13.8 VDC, 1% THD:
4 x 55/95 Watts @ 4/2 Ω
2 x 200 Watts bridged @ 4 Ω

Output Power RMS @ 14.4 VDC, 1% THD:
4 x 60/100 Watts @ 4/2 Ω
2 x 220 Watts bridged @ 4 Ω

Musway M4nano 512K
Product Description

Description:

The MUSWAY M4 Nano is an ultra-compact 4-channel Class D amplifier designed to deliver impressive power and clarity in the smallest possible footprint. Built for modern vehicles with limited installation space, the M4 Nano combines high efficiency, low distortion, and dynamic output performance—making it ideal for OEM upgrades or custom audio builds.