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The new Sound Devices MixPre-3 is a hybrid mixer and audio interface, aimed by the company at "musicians, sound designers, podcasters and videographers".

The MixPre-3 features Sound Devices' new Kashmir microphone preamps. These high-performance, ultra-low-noise, discrete, Class-A mic preamps were hand-crafted by Sound Devices. The Kashmir mic preamps feature a -130dBV noise floor, analog limiters, and new 32-bit A-to-D converters to ensure the highest quality audio recordings that far surpass those of other recorders using simple off-the-shelf IC-based mic preamps.


  • 3 custom-engineered Kashmir microphone preamps and 32-bit converters deliver pro-grade audio
  • Full-featured mixer with ergonomic gain controls, pan and soloing, and easy-to-see ring LED metering
  • Record directly to an SD card or use the built-in USB audio interface to stream multiple channels of audio to your computer
  • Basic and Advanced modes for intuitive operation
  • Accepts time code from your camera for perfect audio/video synchronization
  • Trigger recording from your camera via HDMI
  • Powered via batteries, USB bus, or AC
  • Wireless control via your iOS device and Wingman app
  • Specifications

    Frequency Response:
    10Hz to 40kHz +/- 0.5dB re 1kHz @ 96kHz sample rate

    THD + Noise:
    0.005% max (@1kHz, 22-22kHz BW, gain=20dB, -10dBu in)

    32 bit precision; 120dB dynamic range min (A-weighted, gain=10dB, fader=0dB)

    Equivalent Input Noise:
    -130dBV (-128dBu) max (A-weighting, gain=76dB, 150 ohm source impedance)

    Mic: XLR active-balanced; 4k input Z
    Line: XLR active-balanced; 4k input Z
    Aux/Mic in: 3.5mm TRS, 2-channel unbalanced; 100k input Z
    USB Audio: 2 channels
    All inputs fully RF-filtered and overload protected.

    Mic input: +6dB to +76dB
    Line input: -20dB to +30dB
    Fader: -inf to +20dB
    Headphone: -inf to +20dB
    Total, Mic-to-recording (max): +96dB

    Maximum Input Level:
    Mic XLR: +14dBu (limiters on or off)
    Line XLR: +40dBu (limiters on or off)
    Aux/Mic in: +10dBu

    Low Cut Filters:
    80Hz to 240Hz (adjustable), 18 dB/oct. First stage analog, subsequent stages digital.

    Microphone Powering:
    Mic XLRs: 48V via 6.8k resistors, 10mA each
    Mic 3.5mm: 3V @ 3k source Z

    Limiter at all gain stages, range > 40dB. First stage analog, subsequent stages digital.

    DAC feeding Stereo Out, Headphone Out:
    32 bit precision; 115dB dynamic range (A-weighted)

    Stereo Out:
    3.5mm TRS stereo unbalanced, 500 ohm output Z, +7.8dBu max output level

    Headphones Out:
    3.5mm TRS stereo unbalanced, for use with any impedance headphones

    Audio Interface (USB-C): 5-in/2-out; 44.1 to 96 kHz; 16/24-bit; Class-compliant USB 2.0 high speed or ASIO (supplied)
    Mass Storage (USB-C): USB 2.0 high speed
    Keyboard (USB-A): Text entry and control

    Maximum Record Tracks:
    5 Tracks: Stereo mix + 3 ISOs

    Sampling Frequency:
    44.1 kHz
    48 kHz
    96 kHz

    Bit Depth:
    16, 24

    Recording Storage:
    Type: SD, SDXC, SDHC Card
    Max Storage Size: 512 GB (SDXC)
    Card format: FAT32 (32GB or less) or exFAT (>32GB)

    File Type:
    WAV (Broadcast Wave File Format) with embedded timecode stamp and metadata

    Timecode Modes:
    Time of Day (file stamped w/current ToD)
    LTC Input (file stamped w/incoming LTC on Aux 3.5mm)
    HDMI TC (file stamped w/incoming TC from HDMI & sample clock slaved from HDMI sample clock. Only works on specific cameras that support HDMI TC.

    Timecode Frame Rates:
    Auto-detects (fps): 23.98 (same as 23.976)

    Remote Control:
    Bluetooth Smart: Wireless control using Wingman app
    HDMI: Auto-record start/stop trigger from cameras that output record flag over HDMI
    Timecode: Auto-record start/stop trigger via Aux In timecode

    Touch Screen:
    320x240; 1.6-inch, color, sunlight-viewable IPS LCD

    AA Batteries: 4x AA sled (included); 8x AA sled (optional accessory). NiMH recommended
    From computer: Bus-powered via USB-C port; use MX-USBY cable (included), connects one USB-C to two USB-A ports
    AC Adapter: MX-Charge (not included) Power supply wall adapter w/ USB-C connector; 15W; has 4 adapter plugs for US, UK, AU & Europe
    L-Mount: Optional sled for 2x (hot-swappable) Sony L-type Li-ion batteries

    Operating: -20°C to 60°C, 0 to 90% relative humidity; (non-condensing)
    Storage: -40°C to 85°C

    Dimensions and Weight:
    Dimensions: 144 mm x 110 mm x 36 mm (H x W x D); 5.68" x 4.35" x 1.40"
    Weight: .48 kg; 16.8 oz. (unpackaged, without batteries)

    MX-4AA Battery Sled (batteries not included)
  • Y-Cable Two USB-A to One USB-C
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