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

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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 ...Read More

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OVERVIEW

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.

FEATURES
  • 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!

SPECIFICATIONS

Q-DI 4-Channel DI Box and Line Mixer

  • 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
Reviews
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by PowerReviews
SM Pro AudioQ-DI 4-Channel DI Box and Line Mixer
 
4.0

(based on 2 reviews)

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  • 5 Stars

     

    (1)

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    (0)

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Reviewed by 2 customers

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(3 of 4 customers found this review helpful)

 
5.0

Almost perfect DI Box for keyboards

By Slash-AWj_-

from Chicago

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

The DI box to FOH set-up is a no-brainer. This unit allows you to simplify the mix to your keyboard amp/monitor on stage. If you use 3 keyboards with mono outputs, most DI boxes would send 3 cables to your stage amp. With this unit, you can send just one XLR cable to your stage amp. Here's how: 1)pan inputs 1 - 3 hard right. 2)Use a RCA to 1/4" phone plug cable to connect Aux Out R to input 4 3)Connect XLR output 4 to your stage amp 4)Set mix level for input 4 to zero and attenuate -20db. 5)Set stage mix using input level dials for channels 1 - 3.Your stage mix will be consistent for every show and you will have fewer cables to connect. If you insist on using stereo keyboard signals, this is probably not the best product for you. However, if you use more than one keyboard, let the soundman pan your mono keyboard sends. Otherwise, stereo is a wasted effect for most venues.

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(1 of 1 customers found this review helpful)

 
3.0

DI or Mixer? Pick One

By pbrycem

from Lansing, Michigan

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

This is NOT a DI Mixer. It is a 4-channel DI. It is a mixer. But it is not both. If you want a mixer, buy a mixer. The mixed signal coming out of this thing is unbalanced, plus the jacks are RCA. I thought I was going to be able to mix 2 stereo keyboards & send a balanced stereo signal to FOH. I ended up hooking up my 2 other DI boxes to the output of this to achieve my goal. Why do I have to hook up DI's to my new DI? Because it's not a DI Mixer. It's one or the other, but not both.The unit seems well-made and solid. It seems to work just fine as 4 separate DI's.

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