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DUAL BASS CONTROL DESIGN: Independently adjust two amplifier or subwoofer channels from the driver's seat, allowing precise control over your system's low-frequency output.
UNIVERSAL RCA COMPATIBILITY: Designed to work with most RCA-controlled car audio amplifiers, making it an easy addition to a wide range of aftermarket audio systems.
INCLUDED 30" RCA CONTROL CABLES: Comes equipped with integrated 30-inch RCA control cables for quick installation and reliable signal transfer.
COMPACT LOW-PROFILE HOUSING: Durable black plastic construction blends seamlessly into most vehicle interiors while taking up minimal mounting space.
PERFECT FOR CUSTOM AUDIO BUILDS: Ideal for dual amplifier systems, multiple subwoofer setups, daily drivers, and high-performance car audio installations requiring convenient bass adjustment.
Take full control of multiple bass channels with the B2 Audio Eco Dual Bass Knob. Designed for car audio enthusiasts who want convenient adjustment of two independent subwoofer or amplifier channels, this compact remote bass knob provides quick and easy control directly from the driver's seat.
Featuring a clean finish and dual adjustment knobs, the Eco Dual Bass Knob integrates seamlessly into virtually any vehicle interior while offering enhanced flexibility for more advanced audio systems. The included 30-inch RCA control cables make installation simple while providing reliable signal transfer for smooth and responsive bass adjustment.
Whether you're managing dual subwoofer amplifiers, multiple bass zones, or custom audio configurations, this remote bass knob gives you independent control over both channels without needing to access amplifier settings.
Features:
Dual independent bass level controls for enhanced system tuning
Compact black design that blends into any vehicle interior
Smooth and responsive bass level adjustment
Universal compatibility with most RCA-controlled car audio amplifiers
Convenient driver seat access to dual subwoofer level control
Ideal for daily drivers, demo vehicles, and high-performance audio systems
Specifications:
Brand: B2 Audio
Product Type: Dual Remote Bass Knob
Material: Plastic
Connection Type: RCA
Control Type: Dual Independent Controls
Compatibility: Most RCA-controlled amplifiers
Installation Type: Universal
Included Cable Length: 30"
Dimensions:
Length: 30"
Width: 2.5"
Height: 1.5
Weight: .55 lb
Accepted Payment Methods at Big Jeff Audio
At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:
Credit and Debit Cards
Visa
Mastercard
American Express
Discover
Diners Club
Digital Wallets
Amazon Pay
Apple Pay
Meta Pay (formerly Facebook Pay)
Google Pay
Shop Pay
PayPal
International Payment Methods
Bancontact
iDEAL
Bank Transfers
Zelle
Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
Klarna
Affirm
Sezzle
Snap
Acima
Tiptop
If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
Shipping Options and Delivery Time
Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
Standard Shipping: Free for orders over $100.
Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
How Long Does Delivery Take?
Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.
Why Can’t I Track My Order?
If you're having trouble tracking your order:
Make sure you’ve received the shipping confirmation email with the tracking number.
Log into your account on our website and use the “Check Your Order Status” button.
If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.
More than a storefront
THE BIG JEFF FAMILY
Built on big sound, real connections, and showing up for the basshead community.