DD Audio VO-W508-S4

The DD Audio VO-W508-S4 is an 8″ PA style, high output woofer combining design elements from pro audio and high-end car audio. Low moving mass, a shorting ring motor design and a long voice coil winding deliver fast, clean output, while the threaded back plate accepts a VO-CT compression driver for a true coaxial PA setup.

Key Features

PA Style High Output: 99 dB sensitivity with 400 – 800W power handling for high SPL from an 8″ driver
Shorting Ring Motor Design: Reduces inductance and distortion for clean, extended response up to 8 kHz
Threaded Back Plate: Mounts a compression driver directly for coaxial PA applications
Cast Aluminum Frame: Rigid, resonance-free chassis
Long Voice Coil Winding: Extended linear excursion with 8 mm Xmax and 30 mm suspension travel
1/2 Roll Surround and Poly-Cotton Spider: Low-mass suspension for fast transients
CCA Coil Wire: Lightweight copper-clad aluminum winding keeps moving mass low

Technical Specifications

Size: 8 inches (20 cm)
Power Handling: 400W RMS (400 – 800W)
Voice Coil Impedance: Single 4-ohm (S4)
Frequency Response: 60 Hz – 8 kHz
Sensitivity: 99 dB SPL
Fs: 60 Hz
Qms / Qes / Qts: 2.169 / 0.645 / 0.497
Vas: 25.59 L (0.90 cu.ft.)
Xmax: 8 mm
Suspension Travel: 30 mm
Mounting Diameter: 187.3 mm (7 3/8″)
Mounting Depth: 96 mm (3.75″)

Add high-efficiency midbass punch to any system with the DD Audio VO-W508-S4 PA woofer.

60 Hz – 8 kHz

DD Audio VO-W508-S4