These high power subwoofers boast 150
watt and 250 watt robust amplifiers. Each subwoofer is designed for huge bass
response, easy system setup and flexibility. They feature line level inputs to
connect to most any receiver or preamp, a continuously variable low pass
crossover so you can adjust the subwoofer to match the bass response of your
main speakers, adjustable phase switch and a proprietary boost circuit. They are
equipped with a fixed high-pass crossover circuit to cut off the bass to the
front (main) speakers so the upper bass will not overlap, thereby avoiding
booming.
When selecting the most appropriate sub for your system, choose a powered
subwoofer that is 2" or 3 "sizes" larger than the driver found in your main
speakers. For example if your main speakers are 8", you should choose 10" or 12"
subwoofer for best performance.
Also keep in mind that all the indoor subwoofers have built-in amplifier
(powered subwoofer), all of the outdoor subwoofer don't have amplifier built in,
thus requiring separate mono-amp to power them.
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