- Compact Power Performer: Delivers 250W RMS and 500W peak output for clean, responsive bass from an 8" frame.
- Versatile Wiring Options: Dual 2-ohm voice coils allow 1-ohm or 4-ohm setups for flexibility with any amplifier.
- Premium Build Quality: Reinforced paper cone, cast aluminum frame, and butyl rubber surround ensure strength and long-term reliability.
- Accurate Bass Reproduction: With 7mm Xmax and 92dB sensitivity, you get punchy, controlled low-end with impressive clarity.
- Sealed or Ported Performance: Works great in 0.47 cu ft sealed or 0.81 cu ft ported enclosures for balanced or deep bass response.
Cadence Pro Car Audio 8" 250 Watt RMS 2-Ohm Dual Voice Coil Subwoofer UD8D2
This Listing Includes:
- (1) Cadence UD8D2 8" Subwoofer
Unleash precision, style, and deep bass with the Cadence UD8D2 from the Ultra Drive Series. This 8-inch subwoofer is designed to pack serious punch in a compact form, blending bold looks with professional-grade performance. The UD8D2’s orange cast aluminum frame and black reinforced paper cone make a statement before it even plays a note, and once it does, the bass speaks for itself.
With 250 watts RMS and 500 watts peak power, this dual 2-ohm subwoofer gives you flexibility to wire for 1 or 4 ohms, depending on your setup. It’s built with a high-excursion butyl rubber surround and a cast aluminum magnet heatsink for long-lasting performance and thermal stability. The 7mm Xmax ensures rich, controlled low-end output that’s both detailed and powerful.
Optimized for sealed or ported enclosures, the UD8D2 adapts easily to your preferred sound. In a sealed 0.47 cu ft box, it delivers tight, clean bass ideal for precision listening. In a ported 0.81 cu ft enclosure with a 3" port diameter and 5" port length, it extends deeper for aggressive, room-filling impact. Whether for daily driving or competition setups, the UD8D2 delivers clarity, punch, and reliability in every beat.
Specifications:
- Application Type: Car
- Size & Type: 8"
- Power Handling: 250W RMS / 500W Peak
- Frequency Response: 38 - 500 Hz
- SPL @ 1w/1m: 92 dB
- Impedance: Dual 2 Ohm
- Voice Coil: Dual 2 Ohm
- Cone: Reinforced Ultra-Stiff Pressed Paper
- Surround: High Excursion Butyl Rubber
- Basket: Cast Aluminum
- Magnet: Cast Aluminum Magnet Heatsink
- Xmax: 7 mm
- VAS: 7.89 L
- FS: 49.08 Hz
- QTS: 0.601
Dimensions:
- Cutout Diameter: 7.24" (184 mm)
- Mounting Depth: 5" (127 mm)
- Ideal Sealed Box Volume: 0.47 cu ft (13.31 L)
- Ideal Ported Box Volume: 0.81 cu ft (22.94 L)
- Port Diameter: 3" (76.2 mm)
- Port Length: 5" (127 mm)
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.