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.
















