DD Audio 1506-D2 ESP
The DD Audio 1500 Series are entry-level priced USA made subwoofers that will outperform most other brands’ flagship models. The 1506-D2 ESP is the compact 6.5-inch dual 2-ohm model, using the same long gap / long coil topology found in the legendary 9500 and 9900 subwoofers – a perfect solution for medium power applications where supreme quality is a necessity.
Key Features
- Evolution Subwoofer Package (ESP): Larger diameter suspension, deeper frame and exclusive surround and cone design to maximize performance in the 6.5-inch class
- Long Gap / Long Coil Motor: High energy motor with Free Flow cooling system and Faraday shorting ring
- 800 Degree Thermoset Voice Coil: 2″ (50 mm) dual 2-ohm high temperature voice coil
- EROM Surround: Multi-layer suspension and lightweight treated pulp cone
- DD Styling: Oversized dry finish black composite dust cap with red logo
- Made in USA: Hand built by DD Audio in Oklahoma City
Technical Specifications
- Size: 6.5″ (16.5 cm)
- Voice Coil: 2″ (50 mm), dual 2-ohm (2 x 2 Ohm)
- Power Handling: 300-600 W RMS, 2400 W Peak
- Fs: 47.78 Hz
- Qts: 0.740
- Qes / Qms: 0.864 / 5.152
- Vas: 2.398 L
- Xmax: 10 mm
- Xmech: 48 mm
- Mounting Diameter: 160.3 mm (6.3125″)
- Mounting Depth: 152.4 mm (6″)
- Frame OD: 188.9 mm (7.4375″)
- Displacement: 1.4 L (0.05 cu.ft.)
- Recommended Ported Enclosure: 7-21 L (0.25-0.75 cu.ft.)
- Weight: 8.0 kg (17.6 lbs)
Small in size but built like a 9500, the 1506-D2 ESP delivers serious USA-made bass where space is at a premium.














