¡Obtenga asesoría en español!  Llámenos hoy a (800) 222-4701

EMG BQC System 4-knob Active Bass Preamp , $199.00 - Add to Cart Skip to Product Information

EMG BQC System 4-knob Active Bass Preamp

Active Electric Bass Guitar Preamp with Semi-parametric 3-band EQ, Volume, Pickup Blend, and Mounting Materials
Item ID: BQCSystem
EMG BQC System 4-knob Active Bass Preamp
Backordered - More On The Way!

We expect more from EMG in just a few weeks. Order today to reserve yours now, risk-free. Estimated October 2026

Ask An Expert Our Expertly trained Sales Engineers are ready to help! What is a Sales Engineer?
Sweetwater Gear Exchange

Have one to sell?
Check out Sweetwater's Gear Exchange!
Learn More

EMG BQC System 4-knob Active Bass Preamp
Backordered - More On The Way!

We expect more from EMG in just a few weeks. Order today to reserve yours now, risk-free. Estimated October 2026

Dynamic Tone-shaping Onboard Bass Preamp

This article was Written By

Our Product Research Team

Get to know them!

EMG's active electric bass guitar preamps are incredibly popular among bassists of all genres, and this BQC system is a great example of why. Its semi-parametric 3-band EQ gives you boost and cut on your concentric bass and treble knobs, and the sweepable circuit selects and sculpts your mids to taste. The BQC preamp system comes with all of the wiring you'll need for installing it in your bass. And Sweetwater bassists love the EMG BQC preamp's plug-based design for how easy it makes installation.

EMG BQC Electric Bass Guitar Preamp Features:
  • 3-band semi-parametric preamp
  • Concentric bass and treble controls
  • Stacked mid-frequency control is sweepable for precise tone shaping
  • Volume and blend controls are included
  • Comes with all of the wiring you need to hook the system up to your pickups
The BQC active bass preamp offers your passive bass a powerful active personality

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.