DD Audio 715d-D4
The DD Audio 700 Series is designed for serious performance. The 715d-D4 is the 15-inch dual 4-ohm model, featuring a DD cast basket supporting a triple stack magnet motor, heavy duty suspension, and a high strength cone coupled to a massive EROM surround, making it best suited for duty in vented or multi-order enclosures.
Key Features
- Triple Stack Magnet Motor: High energy motor with back plate coil gap venting and extended pole piece
- High-Temp 3″ Voice Coil: Dual 4-ohm voice coil for 600-1200 W RMS power handling
- Triple Layer Spider System: Deep bass, high excursion heavy duty suspension
- Glass Fiber and Natural Pulp Cone: High strength cone coupled to a massive EROM surround
- DD Cast Basket: Rigid cast aluminum frame
- Enclosure Flexibility: Best suited for vented or multi-order enclosures
Technical Specifications
- Size: 15″ (38 cm)
- Voice Coil: 3″ (76 mm), dual 4-ohm (2 x 4 Ohm)
- Power Handling: 600-1200 W RMS, 3600 W Peak
- Fs: 31.63 Hz
- Qts: 0.538
- Qes / Qms: 0.596 / 5.485
- Vas: 70.17 L
- Xmax: 16 mm
- Xmech: 80 mm
- Mounting Diameter: 352.4 mm (13.875″)
- Mounting Depth: 231.8 mm (9.125″)
- Frame OD: 390.5 mm (15.375″)
- Displacement: 6.2 L (0.22 cu.ft.)
- Recommended Ported Enclosure: 85-142 L (3-5 cu.ft.)
- Weight: 19.5 kg (43 lbs)
Proven 700 Series performance in a 15-inch package – serious bass for serious systems.















