Onboard Effects, QDD - Onboard Distortion Unit
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Active Distortion Unit, QDD2 Quadra Channel Sound
Active Onboard Effects, QDD 2 Controller
Onboard Overdrive Quad Distortion Driver
Expansion Unit for Guitar or Bass

The QDD is an on-board Quad Distortion Driver Unit with 5 settings and an adjustable gain box so you can dial in your sound just the way you want it. This unit also features a trim pot for personalization of your gain usage. You can use this unit by itself or with other effects on the same battery.

*Position 1 - Clean Bypass - like the unit is not there at all.
*Position 2 - Boost your signal giving you a little more gain.
*Position 3 - A light tube-like overdrive, perfect for blues.
*Position 4 - Good solid distortion, not over the top, just right for Classic Rock.
*Position 5 - Full on METAL - great for high gain Metal - both old and new!

This on board effect active circuit control for passive or active pickups replaces one of your existing tone pots. It uses a long-shaft, body mount, rotary style engagement control pot. It features a split shaft that will work with most coarse knurled, 18-spline style knobs. This pot style allows you to bypass the unit in Position 1. An optional add-on Stereo Style Jack can be wired to break your circuit, disconnecting your battery signal thus helping reduce drainage and improve battery life. Be sure to check out this product’s details and dimensions prior to purchase to check for compatibility with your set-up.

If you are going through a guard, you may need additional nuts or lock washers (sold separately). If needed, simply use the drop-down selection box to add extra nuts and washers. Of course, your set-up may be different. Be sure to check your requirements in relation to the measurements provided for this item. Ask any fit or compatibility questions prior to purchase.

*Built-In Distortion
*Clean Bypass
*4 Step Signal Booster
*Variable Gain Control
*Distortion Drive
*Simulates Overdrive Tone
*Split Shaft for Compression Fit Knob (non-threaded)
*Requires 9V Battery Power (Sold Separately)
*Mounting Hardware Included

*Pot Dimensions: 17mm x 17mm x 27mm
*Circuit Board Dimensions: 24mm x 33mm
*Threaded Bushing Height: 18mm
*Required Hole Diameter: 10mm
*Mounting Nut Diameter: 9mm (inner) & 11mm (outer)
*Mounting Nut Depth: 2mm
*Washer Diameter: 9mm (inner) & 12mm (outer)
*Cavity Depth Required: 24mm
*Battery Lead Wire Length: 150mm
Measurements provided are approximations; variability is to be expected. Ask any questions prior to purchase.

*1 Onboard Effect Unit
*1 Battery Clip/Lead
Nothing else is included. NO INSTRUCTIONS OR DIAGRAMS INCLUDED. Additional images may be provided for reference and comparison purposes only.

Please check your instrument and set-up needs carefully to see if this item will work for you.
Buyers assume all risk of use; sales are only offered to those competent to safely and lawfully purchase and use items.
ASK ANY QUESTIONS PRIOR TO PURCHASE. Instructions for installation are NOT INCLUDED or provided.
Inspect your order upon receipt; we pledge to address any issues PRIOR to installation.

  • Item #: 32003

Active Circuit Onboard Effects, QDD2 Quadra Channel Sound Driver

Price: $27.95
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