These speaskers have been tested and reviewed to make sure they work properly and the Ohms are coreect...
The Reference 1262w 12" sub offers a durable large-roll rubber surround provides smooth, extended excursion with reduced distortion so you get impressive bass performance. Dual 4-ohm voice coils make it easy to draw big power from a compatible low-impedance amplifier or safely hook up a multi-sub system for heavy-duty low end.
The 1262w's unique motor structure cuts down on the mounting depth, and this sub works in sealed or ported bandpass enclosures with its DVC sub hits with lower impedance, make sure that your amp is compatible. Most 2-channel car amplifiers are stable down to 2 ohms in standard mode, or 4 ohms in bridged operation...
Product info:
· 12" subwoofer with dual 4-ohm voice coils
· poIypropylene woofer cone with large-roll rubber surround
· progressive spider design for excellent cone control
· frequency response: 23-400 Hz
· power range: 100-300 watts RMS (1,200 watts peak power)
· sensitivity: 93 dB
· top-mountdepth: 6-3/8"
· sealed box voIume: 1.25 cu. ft.
· ported box volume: 2.0 cu. ft.