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MixPre 3MixPre 3
MixPre 3
MixPre 3
MixPre 3
MixPre 3

MixPre 3

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.
Manufacturer: Sound Devices


Powerful USB and Recording

The versatile MixPre-3 makes an excellent USB audio interface, offering the unique ability to record audio to an SD card while simultaneously streaming multiple channels of audio via USB. Handy for interviews, podcasts, or simply as a backup recorder to your computer, the MixPre can be used for Skype or Facetime interviews, and to record audio for podcasts or video blogs.

Pocket-Size, Unintimidating Design

The small stature and design of the MixPre-3 will fit any production environment. It features a responsive capacitive touch screen for incredibly simple and intuitive operation, and a bright, IPS technology, sunlight-readable color LCD for the ultimate in convenient navigation.

Like all Sound Devices products, the MixPre-3 is extremely durable. Constructed with a die-cast aluminum chassis, it is both lightweight and incredibly robust. The MixPre-3 is super-compact, so much so that it can fit in your pocket – perfect for jobs on the run.

Intuitive Operation

The MixPre-3 bridges the gap between sound engineers, musicians and YouTubers with user-friendly navigation featuring Basic and Advanced modes. Designed to allow a user to start recording right out of the box, Basic mode takes the guesswork out of audio recording and is intended for stereo recording applications, such as interviews, video blogs, music or podcasts.

The Advanced mode offers more experienced audio users access to multi-channel recording and advanced settings such as metering, routing, timecode, mic pre gain, stereo and Mid/Side channel linking, headphone presets and more.

What’s more, the MixPre includes integrated Bluetooth Smart for easy connection, control and metering via iOS devices.

Advanced Mixing Capabilities

The MixPre-3 is a full-featured mixer that offers offers ergonomic gain control knobs for fast and accurate mixing. Other key features include pan and soloing plus easy-to-see ring LED metering per channel.

The MixPre-3 also includes a 3.5mm jack for headphone monitoring with user-programmable presets from our custom-designed powerful, wide-bandwidth headphone amp.


A Videographer’s Dream

As an added benefit to DSLR users, the MixPre-3 has a retractable ¼-20 mounting capacity making it a perfect pairing for a wide variety of cameras. This design allows for solid, low-profile tripod/camera mounting. Because the male and female ¼-20 threads are captive, they cannot be lost and are always available.

Capable cameras can feed Timecode to the device over the MixPre’s HDMI input, which provides perfect synchronization of sound and video. Timecode can also be fed into the MixPre’s 3.5mm input from an external TC generator. The MixPre-3’s HDMI input can also receive "record triggers" from popular cameras, which automatically starts and stops the MixPre’s recording via the camera’s record button.

Flexible Powering Options

For the ultimate in portability and convenience, the MixPre-3 has multiple powering options. It can be powered from AA batteries in a convenient detachable sled of either four or eight cells. Also available is a sled that offers powering from up to two hot-swappable Sony L-Mount Li-Ion batteries. The Li-lon batteries offer the ultimate in battery life.


Additionally, the entire recorder can also be powered from a laptop’s USB-C or USB-A connectors offering convenient connection and powering with just one cable. For applications where AC is available, Sound Devices offers an optional AC adapter as well.






Frequency  Response10Hz to 80kHz +/- 0.5dB re 1kHz @ 192kHz sample rate
THD + Noise 0.005% max (@1kHz, 22-22kHz BW, gain=20dB, -10dBu in)
ADC 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

Line: ¼-inch TRS active-balanced; 4k input Z

USB Audio: 4 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

Aux In (Mic): Gain = +10dB to +40dB

Aux In (Line): Gain = -10dB to +20dB

Total Aux Gain including Fader (Mic-to-recording): +60dB

Maximum Input Level



Mic XLR: +14dBu (limiters on or off)

Line XLR/¼-inch: +40dBu (limiters on or off)

Aux In (Mic): -10dBu

Aux In (Line): +10dBu

Low Cut Filters 40Hz to 160Hz (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

Limiters  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): 8-in/4-out; 44.1 to 192 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   8 Tracks:Stereo mix + 6 ISOs
Sampling Frequency  

44.1 kHz

48 kHz

96 kHz

192 kHz

Bit Depth16, 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: 166 mm x 118 mm x 36 mm (H x W x D); 6.53” x 4.65” x 1.40”

Weight: .56 kg; 19.9 oz. (unpackaged, without batteries)


For more information: https://www.sounddevices.com/products/recorders/mixpre-3


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