Sound Devices 302 Portable Mixer

General Details
  • 40-segment tri-color LED output meter
  • Transformer-balanced mic/line XLR input
  • Mic / line input sensitivity switch
  • Phantom, dynamic, or T powering switch
  • 48 V or 12 V global phantom voltage
  • 3.5 mm TRS headphone output connector
  • Battery tube – holds 3 AA batteries
  • External DC input for 5 – 17 VDC

The Sound Devices 302 is the most compact and cost-effective, battery-powered, professional audio mixer in its class. This no-nonsense, rugged little mixer features three exceptionally quiet mic preamps and balanced transformers to perfectly handle very low frequencies. With important features to accommodate nearly any over-the-shoulder production, the 302 interfaces with wireless transmitters and receivers, camera audio inputs of all kinds, and external audio recorders.

In The Case
  • EQC Bag


Related Products

Ambient VPAK II V-Mount Hirose Power Supply
IDX Endura CUE-D75 14.8V 73Wh V-Mount Li-Ion Battery

or find suitable batteries in our online shop

Technical Specifications
Frequency Response

20 Hz – 30 kHz, +0.2, -0.5 dB, -1 dB @ 5 Hz and 50 kHz typical

Equivalent Input Noise

-126 dBu (-128 dBV) maximum (22 Hz – 22 kHz bandwidth, flat filter, trim control fully up)

Input Clipping Level

0 dBu minimum (trim control fully down)

Line Output Clipping Level (1% THD):

20 dBu minimum, 18 dBu minimum with 600 ohm load

Dynamic Range

115 dB minimum (trim fully down)

THD + Noise

0.007% typical (1 kHz, +4 dBu at Line out), 0.009 max (50 Hz to 20 kHz, +18 dBu at line out, fader fully up)

Output Noise

-100 dBu (-102 dBV) maximum (22 Hz – 22 kHz bandwidth, flat filter, master gain fully up, faders fully down)

L/R Gain Matching

+/- 0.1 dB (Mic In to Line Out)


40-segment, sunlight-viewable Selectable peak, VU, or peak (with or without peak hold) + VU ballistics

High-Pass Filters

Switchable 80 Hz or 160 Hz, 12 dB/oct, silent activation

Mic Powering (each mic selectable)

None, 12 V phantom, 48 V phantom, 12 V T-power, selected per mic input

Input Limiters

+18 dBu threshold, 20:1 limiting ratio, 1 mS attack time, 200 mS release time.

Output Limiters

Affects the outputs of the mixer. Threshold selectable from +4 dBu to +20 dBu, 1 dB steps, 20:1 limiting ratio, 1 mS attack time, 200 mS release time

Power supply

Internal ±16 V (bi-polar) regulated audio rails, 2.4 – 6 V range internal batteries, isolated (floating) external DC input jack, 5-18 V locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-)


Operating: -20°C to 60°C, 0 to 95% relative humidity; (non-condensing), storage: -40°C to 85°C


0.85 kg, (1.8 lbs) unpackaged with three alkaline AA batteries


47 mm x 214 mm x 114 mm (H x W x D), 1.8″ x 8.4″ x 4.5″


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