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MTX re-Q5

5-channel bass restoration signal processor
Get full bass response when adding amps to a factory system

Item # 236REQ5

Most factory stereos, even premium systems, protect speakers by reducing bass output when the volume is turned up.

Most factory stereos, even premium systems, protect speakers by reducing bass output when the volume is turned up.

Discontinued item

Item # 236REQ5

About the MTX re-Q5

Most factory stereos, even premium systems, protect speakers by reducing bass output when the volume is turned up. This limitation works great in a stock system, but it'll hamper low-frequency performance if you upgrade your factory stereo with amplifiers and subwoofers. MTX solves this problem with the re-Q5 signal processor.

Most factory stereos, even premium systems, protect speakers by reducing bass output when the volume is turned up. This limitation works great in a stock system, but it'll hamper low-frequency performance if you upgrade your factory stereo with amplifiers and subwoofers. MTX solves this problem with the re-Q5 signal processor.

The re-Q5 senses the input level from the factory stereo, adding more bass at high volume levels and keeping bass response balanced when the volume is low. You'll enjoy full, even bass response at all volume levels. Now you can keep your factory stereo and its steering wheel controls while truly improving your system's sound.

The re-Q hooks up to the speaker outputs of your factory stereo, and includes front, rear, and subwoofer preamp outputs for connection to your amplifiers. You'll find individual gain controls for all the outputs, plus low-pass and subsonic filters for maximizing your sub's performance. A bass enhancement switch lets you kick in a little more bump if you desire.

Another bonus — the re-Q5 includes an auxiliary input, so you can tie an outboard sound source into your factory system and control its level. The auxiliary input module comes with a 16.5-foot cable so you can mount it in a convenient location.

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Product highlights:

  • signal processor restores bass when adding amps to a factory system
  • front , rear, and mono subwoofer preamp outputs
  • variable low-pass (40-200 Hz) and subsonic (10-40 Hz) filters
  • Bass Enhance switch
  • auxiliary input module with 16-1/2" cable
  • processor dimensions: 10-1/2"W x 1-1/2"H x 4-1/2"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # RE-Q5

What's in the box:

  • re-Q5 module
  • Auxiliary module
  • 13.5" Input harness
  • In-line fuse and fuse holder
  • 16.5' Connection cable for auxiliary module
  • 4 Mounting screws
  • Instruction sheet

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More details on the MTX re-Q5

Russ B.

Product Research

Features

Overview: The MTX re-Q5 is a 5-channel volume sensing bass restoration device designed to restore bass when adding aftermarket amplifier to a factory audio system. Most OEM systems "roll off" the bass to avoid damaging the speakers at higher volume levels. While this is acceptable when using stock speakers, it's not desired when adding amplifiers as it limits the low frequency output of your system. The MTX re-Q5 solves this problem by sensing the input from the head unit to add more bass at high volume levels and balances the bass response at lower volume levels. You get the bass you want with added performance while keeping your factory radio and your steering wheel controls.

Balance Bass Enhancement: Rather than just turning up the bass linearly, the re-Q5 senses the factory radio output and adjusts its boost level to balance the sound of all 5-channels in your system (Right Front, Left Front, Right Rear, Left Rear, and Sub). You can select for the re-Q5 to perform its Balance Bass Enhancement after or before the factory amplifier.

Smart Engage: An input signal sensing circuit turns the re-Q5 on automatically. There is also a remote turn-on input if you prefer not to use the Smart Engage feature.

Speaker Level Input: There are speaker level inputs for the Front Left/Right, Rear Left/Right and Subwoofer channels. The compatible input range is 250 mV to 30 V. If your factory system has no sub, the re-Q5's sub output is taken from the left and right inputs.

Line Level Output: The line outputs for Front left/right, Rear Left/Right and Sub are individually adjustable. The maximum output is 2.5 volts for the full range channels and 8 volts for the sub.

Crossover: The subwoofer channel's crossover is continuously adjustable from 40 Hz to 200 Hz.

Subsonic Filter: The subsonic filter is continuously adjustable from 10 Hz to 40 Hz.

Front/Rear Sub Level: In some applications it may be necessary to reduce the low frequency output of the full range outputs on the re-Q5 when summing a factor subwoofer signal with full range signal. This is due to variances in the input signal which are inherent to some factory audio systems. After the re-Q5 is connected, if the low frequency output of the front or rear speakers is too high regardless of gain settings, you can adjust the settings on the Sub Level Front and Sub Level Rear switches to -3dB or -6dB. This will reduce the low frequency output on the front and rear full range outputs.

Auxiliary Module: The MTX re-Q5 comes supplied with a wired Auxiliary module and a 16.5' connection cable. The Auxiliary module features a 3.5mm input jack for connecting an external audio source. The supplied 16.5' connection cable and integrated mounting flanges on the module allow you to mount the Auxiliary interface in the front of your vehicle. The Auxiliary module features its own on/off-volume control knob. The Auxiliary interface measures 3.155" wide x 0.905" tall x 2.015" deep.

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