• 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)