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Sound Devices MixPre-D Compact Field Mixer

Sound Devices
Abel Code: SD-MIXPRE-D
Mfr. Code: MixPre-D
Estimated to Ship – 3-4 weeks
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
This MixPre-D mixer features compact size and weight, plus ability to power it with 2 AA-batteries or 10-18VDC. It is also a class compliant USB portable audio hardware interface for Mac OS, Windows, or Linux computers.
Key Highlights
  • Phantom Power Available
  • 80Hz or 160Hz high-pass filters
  • Sunlight viewable output meter


The portable MixPre-D Field Mixer delivers two-channel studio-grade microphone/line-level inputs with limiters, high-pass filters, plus it can run on either 2x AA batteries or available phantom power. Link the inputs in standard MS mode for stereo recording or use dual mono settings. Users adjust all input functions from the front control panel for added convenience.

The "D" in the product name indicates the infusion of digital technology. Not only does the MixPre-D deliver 24-bit AES digital outputs, but it also provides USB audio streaming, plus interfaces with Mac OS, Windows, or Linux computers. No driver installation is required when connected via USB cable to a computer the operating system recognizes the MixPre-D as USB Audio-Class-Compliant.

Output flexibility allows the MixPre-D to interface with a large variety of cameras. Outputs include:

  • Balanced microphone/line-level XLR
  • Digital AES (XLR)
  • Dedicated consumer mic-level on a locking TA3 connector (for DSLRs)
  • Aux-level output on a 3.5mm connection

Match the MixPre-D with larger Sound Devices mixers such as the 302 Compact Production Field Mixer or 552 Portable Production Mixer to expand your capabilities. The MixPre-D complements these mixers with its features such as: MS stereo matrix, tone oscillator, internal slate microphone, return monitoring of both analog and USB audio, and high-gain headphone output. In addition, the 16-segment GaN LED output meter offers adjustable brightness and is sunlight-viewable for outdoor applications.


  • Transformer-balanced mic/line selectable inputs
  • 48-volt or 12-volt phantom power
  • Unclippable input peak limiters, dual- mono or stereo linked operation
  • Input panning to Left, Center or Right outputs
  • Mid-Side Stereo (MS) matrix with width control and front-panel channel flip
  • Return can be used as ch3/ch4 aux-level inputs, selectable pan and level control
  • High-pass filters, 80 Hx or 160 Hz
  • Slate microphone and tone oscillator
  • Mic/Line/AES digital selectable outputs, digital SR of 44.1k, 48k, 96k
  • USB streaming audio output for interconnection with Mac® OS, Windows®, and Linux
  • Dedicated mic-level output on locking TA3 connector for unbalanced camera inputs
  • Headphone monitoring of program audio or external return audio
  • Sunlight-viewable, 16-segment GaN LED output meter with adjustable brightness
  • Internal battery-power from two AA
  • External power input, 10-17 VDC
  • High-strength, extruded aluminum chassis with metal connectors


What's in the Box

  • 4 x Adhesive rubber bumpers
  • USB-A to USB-Mini-B 5-pin cable
  • MixPre-D Compact Mixer


Key Highlights

  • Phantom Power Available
  • 80Hz or 160Hz high-pass filters
  • Sunlight viewable output meter
  • Portable Field Mixer
  • Slate mic & tone oscillator


Line to Line - max: 26 dB
Line to Mic - max: -14 dB
Mic (TA3) relative to Line out - -36 dB
Mic to Line - max: 66 dB
Mic to Mic - max: 26 dB

Mixers / Audio

Mixer Features:
USB Connectivity - USB class-compliant device, analog input to USB output, USB monitoring in headphones
Field Mixer
Phantom Power
High-Pass Filter or Low Cut Filter - 80 Hz or 160 Hz (switch selectable), 6 dB per octave
Limiter - Threshold adjustable, +8 dBu to +18 dBu, 20:1 limiting ratio, 1 mS attack time, 200 mS release time.
Metering - 16 segment x 2 GaN (Gallium Nitride) meters, peak + VU responding, wicked bright
Mixer Freq. Response:
20 Hz - 30 kHz - +0.2, -0.5 dB (relative to 1 kHz level with 150 ohm source, gain controls set at 50%)
Mixer Line Output:
1 x Aux-level output on a 3.5mm connection - Tape, Unbalanced, tip-left, ring-right, sleeve-ground, 2.1k ohm output impedance
1 x Dedicated consumer mic-level on a locking TA3 connector (for DSLR-type input) - unbalanced mic-level output, pin-2 left, pin-3 right, pin-1 ground, 200 ohm output impedance
1 x Digital AES (XLR) - balanced, 110 ohm, two-channel, on right XLR connector
1 x Mic/Line XLR - active-balanced, 100 ohm output impedance


Power Input:
DC - External: 10-17 VDC via 4-pin Hirose, pin 4 = +, pin 1 = -, completely isolated floating supply


Line Input Types:
2 x Line-Level - with limiters and high-pass filters
Phantom Power:
Yes - 12-volt through 680 ohm resistors or 48-volt through 6.8k resistors (switch selectable)
Dynamic Range:
110 dB minimum, mic input to line output


7.3 in
4.9 in
10.7 in
2.45 lb
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