The new M4 + DSP amplifier can be considered as the little brother of the M6V2 model, coming up with the same DSP technology and features. The only difference: The M4 + is coming with four amplified speakers, but still offering more power per channel than the larger M6V2. Both models also share the very compact dimensions, which could be achieved thanks to its cleverly designed 4-way cladded circuit-board. The newly engineered Class D technology is particularly immune to EMC interference, which is virtually indispensable in today‘s electronic-packed vehicles.

A key-premise to enjoy interference-free music while driving. With four bridged power outputs, each one providing 135 watts RMS per channel (2  Ω), the M4 + offers remarkable output power with a total of 540 watts RMS. As in the M6V2, the high-end DSP from Texas Instruments™, which can be set via software and APP, represents the core of the amplifier. With the included wiring harness, ISO plug and optional Plug + Play harnesses, the M4 + is perfect for tuning original 4-channel sound systems. Four additional DSP-tunable preamp outputs allow the integration of further amplifiers. Finally, the new M4+ amp also provides a high-level input with error protection system for trouble-free connection to OEM factory radios.


  • 4 x 100/135 Watts RMS @ 4/2  Ω or
  • 2 x 270 Watts RMS @ 4  Ω bridged
  • 6 x High Level Inputs
  • 2 x AUX/RCA Inputs, 1 x Optical Input/Stereo
  • 4 x Loudspeaker Outputs amplified
  • 4 x Pre-Amplifier Outputs/RCA (configurable via DSP)
  • Dimensions(mm): 220 (L) x 150 (W) x 44 (H)


  • Professional installation in our workshop is available with varied charges.
  • Kindly specify the appointment time if opt for installation in our workshop.

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Musway M4+ 4Channel Class-D Amplifier with 8Channel DSP

  • Brand: OEM
  • Product Code: Musway M4+ 4Channel CLASS D Amplifier with 8Channel DSP
  • Availability: In Stock
  • RM 2,299.00

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Tags: Musway, M4+, Class-D, Amplifier, DSP