MIX 301

Three Channel Line Level Mixer
Key Features
  • Balanced and unbalanced signal compatibility
  • Gain control for each channel with a wide adjustment range from -80 dB to +20 dB
  • Compact size for easy installation in a rack or in limited space
  • Rack-mountable 1U, one-eighth rack width metal enclosure
  • External Extron Everlast™ power supply included, replacement part #70-1175-01
The Extron MIX 301
Model Version Description Part #
MIX 301 Three Channel Audio Mixer 60-737-01

The Extron MIX 301 Three Channel Audio Mixer combines three line level mono audio sources into a single line level mono output. It accepts balanced or unbalanced input signals, and provides a balanced or unbalanced output. The MIX 301 accommodates input sources with various impedances. Three recessed input gain controls on the front panel enable adjustment of mix levels from -80 dB to +20 dB.

The MIX 301 is ideal for a wide variety of applications such as retail environments, presentations, and classrooms. It is an economical problem-solver for incorporating additional audio sources into a switcher or projector. The MIX 301 is housed in a compact 1U, one-eighth rack width metal enclosure.


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MIX 301
   Gain Adjustable per input. When all three gain potentiometers are set to 12 o'clock, the gain is as follows:
Unbalanced output: -6 dB
Balanced output: 0 dB
   Frequency response 20 Hz to 20 kHz, ±0.05 dB
   THD + Noise 0.05% @ 1 kHz at nominal level
   S/N >90 dB, balanced, at maximum output (unweighted)
   CMRR >70 dB @ 60 Hz to 20 kHz
Audio input
   Number/signal type 3 mono, balanced/unbalanced
   Connectors (3) 3.5 mm captive screw connectors, 3 pole
   Impedance >10k ohms unbalanced, DC coupled
   Nominal level -10 dBV (316 mVrms) or +4 dBu (1.23 Vrms)
   Maximum level >+18 dBV, (balanced or unbalanced) at 1% THD+N
   Input gain adjustment Mute to +20 dB, adjustable per input
    NOTE     0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
Audio output
   Number/signal type 1 mono, balanced/unbalanced
   Connectors (1) 3.5 mm captive screw connector, 3 pole
   Impedance 50 ohms unbalanced, 100 ohms balanced
   Nominal level -10 dBV (316 mVrms) unbalanced, or +4 dBu (1.23 Vrms) balanced, adjustable
   Maximum level +25 dBu, balanced with 100k ohm load at 1% THD+N
   Power supply External
Input: 100-240 VAC, 50-60 Hz
Output: 12 VDC, 0.5 A, 6 watts
   Power input requirements 12 VDC, 0.2 A (max.)
   Temperature/humidity Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
   Cooling Convection, no vents
      Rack mount Yes, with optional 1U rack shelf or the Back of the Rack Mounting Kit
      Furniture mount Yes, with mini under-desk mounting kit
      Pole mount Yes, with optional mini pole mounting kit
   Enclosure type Metal
   Enclosure dimensions 1.7" H x 2.2" W x 3.0" D (1U high, one-eighth rack wide)
4.3 cm H x 5.6 cm W x 7.6 cm D
(Depth excludes connectors.)
   Product weight 0.2 lbs (0.1 kg)
   Regulatory compliance CE, C-tick, c-UL, UL, FCC Class A, ICES, VCCI
   Product warranty 3 years parts and labor
   Everlast power supply warranty 7 years parts and labor
    NOTE     All nominal levels are at ±10%.
    NOTE     Specifications are subject to change without notice.
Shipping Dimensions and Weights
    Part # Height Width Depth Weight
    60-737-01 2.44" (6.2 cm) 7.13" (18.1 cm) 9.5" (24.1 cm) 1.58 lbs (0.72 kg)


Application Diagram

Panel Drawing

Panel Drawing
© 2020 Extron. Specifications are subject to change without notice.