Samson SASM4U 4-Channel Rackmount Mixer and USB Interface

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Write a review Q&A SKU: SASM4U Solotech ID#: 114246
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Regular price $199.99 USD
or as low as $5.55 per month. Additional restrictions may apply.

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Samson SASM4U 4-Channel Rackmount Mixer and USB Interface

The SM4U features an array of connections for both wired and wireless audio sources. Plug-in a wired microphone to the XLR-1/4" combo jack, or go hands-free by connecting a Samson XPD Digital Wireless* system to the front panel USB jack. The Music channel includes stereo RCA inputs on the rear panel, as well as front-mounted stereo 1/4" and 1/8" inputs. Lastly, stream audio wirelessly via Bluetooth.


  • 4-channel 1U half-rack stereo line mixer
  • USB interface for connecting with computers or tablets with USB ports
  • XLR-1/4" balanced microphone input
  • Stereo line channel with RCA, 1/4" and 1/8" (3.5mm) inputs
  • Bluetooth connectivity to wirelessly stream from a mobile device
  • Samson XPD Series USB Port (wireless system sold separately)
  • Voiceover control with priority ducking and variable hold time
  • Rear panel master volume control
  • 15V phantom power
  • Selectable Mono or Stereo output setting
  • Rackmount kit and power adapter included


  • Frequency Response: 20Hz–20kHz ±2dB (Mic to Main)
  • T.H.D.: <0.02% (Mic/Line & Line to Main)
  • Maximum Input Level: -23dBu @ 1kHz (Mic Input)
  • Maximum Input Level: 2dBu @ 1kHz (Line Input)
  • Maximum Output Level: +14dBu
  • Bit Depth: 16-bit
  • Sample Rates: 44.1kHz, 48kHz
  • Signal-to-noise: >96dB
  • Bluetooth: V4.0, A2DP V1.2
  • USB I/O: USB-C
  • Phantom Power: 15V DC
  • Product Dimensions: 8.75" x 5.5" x 1.75" / 223mm x 138mm x 43mm
  • Product Weight: 1.76lb / 0.8kg


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