Hi Kraig, Most guys post stereo questions in the boat and accessories section of the board, it's probably more correctly done here... Dual voice coils offers more versatility (plus advertising options). Given the choice I prefer to run a single 4 ohm voice coil sub off an amp running in bridged mode, however I also have an Alpine sub that has dual 2 ohm VCs wired in series to a bridged amp. Pretty much the same net effect. You could also run the amp in stereo with one channel to each 2 ohm VC, the net power delivered from the amp will be the same, it just requires another pair of wires.
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