- OPEN BOX – ONE ONLY AVAILABLE – Fully tested and functional. May show minor cosmetic handling marks. No Returns accepted.
- GENUINE B2 AUDIO ACCESSORY – Original remote bass knob with cable designed for select B2 Audio amplifiers. Not an aftermarket or universal replacement.
- COMPATIBLE WITH RIOT 7500 & KRAKEN AMPS – Specifically works with B2 Audio RIOT 7500 and B2 Audio KRAKEN series amplifiers. Compatibility with other models is not guaranteed.
- REMOTE BASS LEVEL CONTROL – Adjust your bass output instantly from the driver’s seat without accessing the amplifier.
- INCLUDES REMOTE CABLE – Plug-and-play installation using the included control cable.
Open box item
Fully tested and 100% functional
May show minor cosmetic marks from handling
Only one available — no restocks
In perfect working condition
Has been mounted
Small scratches
No Hardware Included
Box has been opened (see pic #2)
Open-box items are not subject to returns. They are sold "As Is". All requests for returns will not be accepted.
This listing includes:
- (1) B2 Audio Remote Bass Knob
- (1) Remote Cable
- Open box packaging (retail box not included)
This is an original B2 Audio remote bass knob with remote cable, offered here as a one-off, open-box item. Designed to give you quick, convenient control over your amplifier’s bass output, this knob allows easy on-the-fly tuning from the driver’s seat.
Perfect replacement if your original was lost or damaged — or if you scored a B2 amp secondhand that didn’t include the knob.
Features
- Genuine B2 Audio accessory
- Remote bass level control for compatible B2 Audio amplifiers
- Includes remote cable for plug-and-play installation
- Allows quick bass adjustment without touching the amplifier
- Clean, compact design that mounts easily in most vehicles
This bass knob is designed specifically for the models listed above. Compatibility with other amplifiers is not guaranteed.
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
Bank Transfers
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.