• Delivers 400W RMS and 800W peak power for rich, impactful bass performance in compact setups.
• Wire in parallel for 2 ohms or in series for 8 ohms, offering flexibility for different amplifier configurations.
• Kevlar-reinforced ultra-stiff paper cone ensures durability, clarity, and accurate sound reproduction.
• Natural rubber surround and 9mm Xmax provide smooth, distortion-free low-frequency movement.

Cadence Pro Car Audio 8" 400 Watt RMS 4-Ohm Dual Voice Coil Subwoofer US8D4

This Listing Includes:

• (1) Cadence US8D4 8" Car Subwoofer


• User Manual

Discover the depth of true bass with the Cadence US8D4 from the Ultra Shock Series. Compact, powerful, and beautifully engineered, this 8-inch subwoofer delivers exceptional clarity and depth while maintaining the bold, aggressive look that defines the Cadence sound. Its bright orange frame and Kevlar-reinforced cone showcase the perfect balance between design and performance.

Equipped with dual 4-ohm voice coils, the US8D4 offers versatile wiring configurations. Wire it down to 2 ohms for aggressive, high-output performance, or up to 8 ohms for multi-speaker setups that prioritize clarity and efficiency. With 400 watts RMS and 800 watts peak power handling, this subwoofer is built to hit hard and stay cool under pressure.

Specifications:

• Application Type: Car


• Model Series: US (Ultra Shock)


• Model Number: US8D4


• Size & Type: 8" Subwoofer


• Basket: Stamped Steel


• Cone: Kevlar Reinforced Ultra-Stiff Paper Composite


• Surround: High Excursion Natural Rubber


• Magnet: Aero Style Motor with Heat Pump Cooling


• Voice Coil: Dual 4 Ohm Voice Coil

Performance:

• Power Handling: 400W RMS / 800W Peak


• Frequency Response: 40 Hz - 800 Hz


• Sensitivity (SPL @ 1W/1m): 87 dB


• Impedance: Dual 4 Ohm


• Xmax: 9 mm


• FS: 54 Hz


• QTS: 0.46


• VAS: 7.92 L

Installation:

• Mounting Depth: 3.74" (95 mm)

Recommended Enclosures:

• Ideal Sealed Box Volume: 0.20 cu ft (5.66 L)


• Ideal Ported Box Volume: 0.40 cu ft (11.33 L)


• Port Diameter: 2.0"


• Port Length: 8.5"

Dimensions:

• Length: 11 in (279 mm)


• Width: 11 in (279 mm)


• Height: 8 in (203 mm)


• Weight: 15 lbs (6.8 kg)