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Polk Audio (DB691) Marine Certified 6" x 9" 3-Way Marine Boat Car Speakers
Incredible Sound/Affordable Price
Our new db Series is better than ever with superior looks and even better sound. And we've done all that at prices that make high performance affordable to everyone! The db Series works well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. The db Series delivers classic Polk Audio performance and durability like never before. The db691 technologies and features:
- Dynamic Balance Polymer/Mica Composite Mineral Filled Cone is stiff yet lightweight for big sound, little distortion.
- 25mm Liquid-Cooled Silk/Polymer composite Dome Tweeter and 19mm Super Tweeter.
- Low-mass 2-Layer Kapton Voice Coil former is lightweight for high sound output. Kapton's high melting temperature (725°F/400°C!) ensures high power handling and kick-butt reliability.
- Muscular ABS Grilles, computer optimized and based on exclusive MOMO designs.
- Durable Butyl Rubber Surround won't fall apart under the stress of extreme temperatures, sunlight or time, for years of the great Polk sound.
- Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability.
- Flat Spider for faster, longer excursion linear motion.
- Flexible Woven Leads sewn directly into Spider for greater reliability.
- Rock solid, acoustically inert Stamped Steel Basket finished in rustproof Gun Metal Gray.
- Stainless steel mounting hardware.
- One year parts & labor warranty
| Driver Complement | |
| Mid/Woofer | 1 - 6" x 9" (15.24cm x 22.86cm) |
| Tweeter | 2 - 1" Diameter (2.54cm) Silk/Polymer composite dome |
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| Electrical | |
| Overall Frequency Response | 35Hz-22kHz |
| Nominal Impedance | 4 ohms |
| Power Handling (continuous) | 100 w |
| Power Handling (peak) | 300 w |
| Efficiency | 93 dB |
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| Install Dimensions | |
| Full-range Mounting Depth | |
| Top Mount | 3-3/16" (8.10cm) |
| Bottom Mount | 3-3/4" (9.53cm) |
| Grille | |
| Height | 1-1/4" (3.17cm) |
| Cut-out | |
| Driver Cut-out Dimensions | 8-1/2" x 5-3/4" (21.59cm x 14.61cm) |
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