Opus One A2451 Active Subwoofer 180W Amplifier Plate Module Adjustable

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This completely self-contained amplifier module simply fits into the back of a subwoofer cabinet. The unit will automatically spring into life from its Standby mode once a signal i s received. The Volume and Crossover Frequency Controls together with the Phase Correction Switch allows the sub-woofer to be set to the desired sound. Installation can be completed in just minutes, simply make a 235mmH x 175mmW cutout into the back of the enclosure and slip in the module. Overall depth is 100mm. Features Auto power on/off with signal presence High and low-level inputs High-level outputs Volume control Short circuit output protection Active crossover variable from 20Hz - 200Hz Phase reversal switch Recommended Project Idea: Purchase an A 2451 and 2 x C 3088 8" Woofers. The ideal combination for a D-I-Y home theatre subwoofer. The 8" woofers employed to result in a compact enclosure that could easily fit behind or next to a couch. This project can be built to the following specifications: 40-liter enclosure 70mm diameter port 100mm port length This results in a sub enclosure tuned to 45Hz. Show more