SM Pro Audio Q-DI 4-Channel DI Box and Line Mixer  

Product #621000

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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SM Pro Audio

Multipurpose DI Box/Line mixer for stage and studio applications.

SM Pro Audio's Q-DI gives you four totally independent DI Box units in 1/2 RU package. The Q-DI has received a major revision in terms of appearance and performance. Upgraded to include SM Pro Audio's E-Series circuit design improvements, the Q-DI delivers high-quality audio in a stylish compact format.

This E-Series circuit design, component selection, and manufacturing offer an additional level of quality to the already successful DI4V.

The SM Pro Audio Q-DI line mixer is housed in a stylish extruded aluminium external chassis that can be rackmounted using SM Pro Audio's RM-1 single unit rackmount adaptor. One unit can be mounted in the center of the rack, or two units side by side. Robust connectors are provided for all inputs and outputs.

  • Four totally independent DI Box units in 1/2 RU package
  • Independent 20dB PAD switch per channel
  • Independent earth (Ground) lift switch per channel
  • Independent rotary volume control per channel for line mixer output
  • Independent rotary pan control per channel for line mixer output
  • Master Volume
  • Headphone output
  • Stereo Line Out
  • Each input has a balanced output
  • Headphone Amp

Order this enhanced DI Box/Line Mixer today!


Q-DI 4-Channel DI Box and Line Mixer Specifications:

  • Audio Inputs:
  • Connectors: 1/4" jack
  • Type: unbalanced
  • Impedance: 47kΩ
  • Peak input level: +25dB
  • Gain control range: 40dB
  • Headphone Power Amplifier Outputs:
  • 1/4" and 1/8" stereo outputs
  • Max. output level: 300mW@32 Ohms (max 1W@32 Ohms)
  • Output impedance: 22 Ohms
  • Max. gain: +20dB
  • DIST, Freq, S/N Ratio & Crosstalk:
  • Frequency response: 20Hz~20kHz, 0dB~-2B
  • Distortion: 0.02%
  • S/N Ratio: better than 80dB
  • Crosstalk rejection: >72dB@1kHz;-20dBinput
  • Power Supply:
  • Mains voltages: USA/Canada ~ 120 V AC, 60Hz
  • General export model: ~ 100-120 V AC, ~ 200-240 V AC, 50-60Hz
  • Power consumption: 6.5VA
  • Fuse: 100-120V AC: 630 mA (slow-blow), 200-240 V AC: 315 mA (slow-blow)
  • Mains connection: Using External Power Supply 16Vac
  • Physical (HxWxD): Dimension 1-3/4" (44.5mm) x 19" (482.6mm) x 8 1/2" (217mm)
  • Net weight: approx. 3.15kg
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