This woofer provides added versatility over single voice coil woofers by allowing the use of both channels of a stereo amplifier to driver one speaker, and the ability to wire the voice coils in varying configurations.
PIONEER TS-W3002D2 12-Inch Champion Series PRO Subwoofer
Less than 3.5-inches deep and requires an extremely small enclosure making it the ideal subwoofer for consumers who want the added benefits of bass in their cars but are not fond of the inconvenience associated with large subwoofer enclosures.The subwoofer is packed with additional new features including C-type shaped reinforced nodes, M-shaped three-layer fiber woven radial surround,...
Oxygen Audio SPIRAL380 15 inch. Subwoofer, 330 Watts, 85 oz Magnet (O2 SPIRAL380) (SINGLE PIECE). *Size: 15' subwoofer*Power (WRMS): 330W*Magnet size: 85 OZ*Frequency range: 28HZ/1.2KZ*Sensitivity: 90*1W/1M/2V (dB)
Butyl rubber surrounds are superior to foam in two important ways.