Made in California Since 1976

  • BQS System
  • Bass Controls 2

BQS System

For EMG pickups only. This system features a pre-wired balance control (blend), master volume, separate bass and treble pots along with the concentric/stacked mid-control. All... >

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$179.00
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For EMG pickups only. This system features a pre-wired balance control (blend), master volume, separate bass and treble pots along with the concentric/stacked mid-control. All the EQ controls and balance control feature center detents. This active EQ circuit for bass guitars works by rotating the control clockwise to boost, counterclockwise to cut. There is a center detent for flat response. The mid-range control has a variable frequency knob that allows you to sweep through the mid-frequency range from 100Hz to 1KHz. This selects the frequency to boost or cut.
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In the Box

All knobs included.

BQS System

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Customer Reviews

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Awesome Skull-Crushing Sound & Easy No-Mod's Installation

Gregory L. /Reviewed 8/9/2019

I bought a 40P5, 40J and a BQS System to upgrade my 1991 Japanese-made Ibanez 5-string bass. I replaced the original factory electronics and soapbar humbucker pickups. All the EMG components fit perfectly with no mods, though I did use the existing output connector because the one provided was too short. My old Ibanez is again my favorite bass. The sound and quality of the P/J pickup combo is wonderful, and with the BQS tone controls adjusted and the volume ramped up the sound is absolutely skull-crushing in a good way!! I am so very pleased and highly recommend these products.

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Vraiment cool!

Mathieu /Reviewed 5/21/2019

J’ai installé 2 pickups soapbars TW avec le commutateur (switch) DPDT et le BQS.
La versatilité du système est ahurissante!
Il n’y a qu’à lire le diagramme et connecter les fils inclus aux bons endroits, c’est à la portée du premier venu. Le système est silencieux et performant.

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Install BQS System

FIRELAND-CHILE /Reviewed 3/3/2015

This System it's great, easy for install, and no soldering needed because it brings cables with adapters for each connection.

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Like Getting a New Bass

SPLEWIS /Reviewed 8/1/2014

I installed a PJX set and BQS System to replace my Pedulla's Bartolini pickups, passive tone controls and pre-amp... and it was like getting a new bass. These EMG pickups are quiet /noiseless (unlike the Bartolinis) and offer a ton of tone versatility. I can dial in the Bartolini sound/growl without the muddiness. The installation was easy. I am a big fan solderless connections/plug and play... other companies are in the dark ages. The BQS knobs are well-designed (not plastic).

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Battery consumption

Ignacio /Reviewed 7/7/2014

Hi, purchase BQS Sys and two soapbar 40DC for my bass,the instalation is very easy, but i had a problem, the bass (unplugged) still consuming battery, at the rate of 0.01V per hour. I can not find the problem, please HELP ME!

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Note: reversed connection!!!!!

Nickp13145 /Reviewed 2/23/2014

Look at the wiring diagram and find that "reversed connection". Just a tip...
Other wise it will sound weak and distorted. But it does well at being diverse and well the investment.

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