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Samson MediaTrack 4-Channel Rackmount Stereo Line Mixer with USB Interface

SKU: SASM4U MFR: SASM4U
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Key Features

  • Achieve pristine sound quality with this 4-channel stereo line mixer, great for live sound.
  • Enjoy versatile connectivity with the USB interface for seamless recording and playback.
  • Optimize your audio with EQ control, perfect for adjusting sound to your preferences.
  • Experience low noise performance, ensuring clean and clear audio for professional use.
  • Built for durability, this rackmount mixer withstands the rigors of frequent transport.
  • Ideal for small venues, offering balanced XLR outputs for superior audio fidelity.
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Special Order?Estimated to Ship: 09/05/2025
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Samson MediaTrack Specifications

  • Frequency Response

    Music Inputs (1/4", 1/8", RCA): 20Hz-20kHz, +0/-0.5dB, 20 Ohm source
    XLR Mic Input: 73.5Hz-20kHz, +0/-3dB, 150 Ohm source
    Bluetooth: 20Hz-20kHz, +0/-3dB
    USB Playback: 12.4Hz-18.2kHz, +0/-1dB
    (To XLR balanced output, re +4 dBu output)

  • THD+N

    Music Inputs (1/4", 1/8", RCA): <0.004%, 25Hz-17kHz, 20 Ohm source
    XLR Mic Input: <0.006%, 75.5Hz-20kHz, 150 Ohm source
    Bluetooth: <0.01%, 20Hz-20kHz
    USB Playback: <0.005%, 20Hz-20kHz
    (To XLR balanced output, re +4 dBu output)

  • Equivalent Input Noise

    XLR Mic Input: -108dBu, A-weighted, max gain (1%THD+N output), 150 Ohm source

  • Maximum Gains

    Music inputs (1/4", 1/8", RCA): 20.5dB, 20 Ohm source
    XLR mic input: 51.6dB, 150 Ohm source
    Samson XPD System: 43.1dB, 20 Ohm source
    Bluetooth: 20.3dB
    USB playback: 11.9dB
    (To XLR balanced output, master volume maximum, 1kHz test tone)

  • Residual Noise

    XLR Out: -113.8dBu
    RCA Out: -113.8dBu
    USB recording: -96dBFS
    (A-weighted, all controls minimum)

  • Maximum Input Level (1% THD+N)

    Music inputs (1/4", 1/8", RCA): +5.46dBu, 9Hz-7kHz, +0/-0.1% THD+N, 20 Ohm source
    XLR mic input: -6.58dBu, 80Hz-4.5kHz, +0/-0.1% THD+N, 150 Ohm source

  • Maximum Output Level (1% THD+N)

    Mic Output: +14.7 dBu (1% THD+N)

  • Dynamic Range

    XLR Out: 95dB, re +15dBu output, 22kHz BW
    RCA Out: 100dB, re +15dBu output, 22kHz BW

  • Input Impedance (1kHz test tone)

    Music Inputs (1/5",1/8",RCA): 10k Ohm
    XLR Mic Input: 1.6k Ohm

  • Output Impedance (1kHz test tone)

    XLR Out: 400 Ohm
    RCA Out: 200 Ohm

  • Voiceover

    Attack Time: 8ms
    Hold Time: 250ms (shortest setting), 2s (longest setting)
    Release Time: 485ms
    Maximum gain reduction: 28.6dB

  • USB C I/O

    Number of input channels: 2
    Number of output channels: 2
    Maximum sample rate: 48 kHz
    Bit depth: 16 bits
    USB Playback to XLR Output gain: 0dBFS = +12dBu at XLR output
    USB Output Power: USB3.0 5VDC 200mA
    Phantom Power: 15VDC
    Power Adapter: 15VDC 800mA (center positive/sleeve negative)
    Bluetooth: V4.0, A2DP
    Working Frequency: 2.402GHz - 2.480GHz
    RF Power: <10mW EIRP
    Transmission Range: >10m (>32')

  • Dimensions

    8.78 x 5.43 x 1.69"(223 x 138 x 43mm)

  • Weight

    1.88 lbs (852.75g)

  • UPC Code

    809164026846

About Samson MediaTrack

MediaTrack was made to upgrade and simplify audio capture of your live streams, video conferences and content creation. The compact 4-channel rackmount mixer and USB interface includes all of the features and connectivity you need to make all of your projects sound their best.

It's a mixer
MediaTrack features an array of connections for both wired and wireless audio sources. Plug a wired microphone into the XLR-1/4" combo jack, or go hands-free by connecting a Samson XPD Digital Wireless (sold separately) system to the front panel USB jack. Now you can confidently move freely around your environment with exceptional audio. The Music channel brings in audio from the stereo RCA inputs on the rear panel, as well as front-mounted stereo 1/4" and 1/8" inputs. Finally, you can add streamed Bluetooth audio sources such as smartphones and tablets to your mix as well.

Perfect for productivity
Designed with modern connected workspaces and content creators in mind, every feature from the available inputs to plug-and-play operation makes MediaTrack the audio solution you've been looking for. It's extremely easy to get up and running - plug in the USB cable, connect your microphone, set your levels and you're ready to start streaming.

The onboard Voiceover priority ducker lowers the level of any background music so your voice stays clear and focused and you don't lose a beat. The Voiceover Hold knob allows you to adjust how long the audio is lowered to fit your presentation style.

A rear-mounted Master Volume allows the overall output level of the mixer to be set for the room or application without any worry of accidental changes. You can mix all the inputs along with the USB audio from a computer and send them to the dual XLR and RCA line level outputs. The unit can further be configured for either mono or stereo operation. These features make the MediaTrack perfect for hybrid environments when you are both streaming and presenting in front of an audience.

The MediaTrack is ideal for connected sound like hybrid classrooms, streaming fitness classes and houses of worship. It is also a great solution for commercial sound systems in restaurants, bars and conference rooms.

Hybrid classroom typical setup
The compact MediaTrack takes up just half of a 1U rackspace and can be installed using the included rackmount kit. It can be mounted adjacent to most Samson series wireless half-rack receivers.

Samson MediaTrack Features

  • 4-channel 1U half-rack stereo line mixer
  • USB interface for connecting with computers or tablets
  • 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

Product Documents

User Manual

Key Features

  • Achieve pristine sound quality with this 4-channel stereo line mixer, great for live sound.
  • Enjoy versatile connectivity with the USB interface for seamless recording and playback.
  • Optimize your audio with EQ control, perfect for adjusting sound to your preferences.
  • Experience low noise performance, ensuring clean and clear audio for professional use.
  • Built for durability, this rackmount mixer withstands the rigors of frequent transport.
  • Ideal for small venues, offering balanced XLR outputs for superior audio fidelity.

What's in the box:

  • Samson MediaTrack 4-Channel Rackmount Stereo Line Mixer
  • Power Adapter
  • Rackmount Hardware
  • Samson 2 Year Limited Warranty