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Product Name: Active Sub Woofer
Model No: SAWM40
Sony‘s SA-WM40 is a powered subwoofer that packs a 12-inch driver in a bass-reflex (vented) cabinet. An onboard amplifier delivers 120 watts of power to the driver. We haven‘t heard this subwoofer, but it‘s the first 12-inch sub we‘ve seen in this price range, so it‘ll almost certainly match or beat the deep bass response of any comparably priced sub. The SA-WM40 sports both line-level and speaker-level inputs, as well as a line output for connection to additional subwoofers for even more bass. The crossover is variable from 50 Hz-170 Hz. This will help you to match this sub to the bass characteristics of your main speakers. The phase switch allows you to correct any phase conflict that may occur between the sub and your satellite speakers. If you‘re shopping for entry-level subwoofers, you‘ll also want to take a look at Atlantic Technology‘s 162 PBM. Its frequency response doesn‘t extend down as low as this Sony‘s, though.
