Technology / Home Audio / Subwoofer: A speaker specially designed to reproduce a range of very low frequencies only (the bass). The typical range for a subwoofer is about 20-200 Hz. A 'powered subwoofer' includes a built-in amplifier to drive the speaker.
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Technology / Home Audio / Subwoofer Preamp Outputs: Individual number of RCA outputs that are coupled with a built-in low-pass crossover for connection to a dedicated subwoofer amplifier. MORE
Technology / Home Audio / Woofer (Subwoofer): The bass and lower midrange sounds are reproduced by the woofer. To operate efficiently, a woofer's cone should be made of material that is stiff, yet lightweight. Cones made of polymers, polypropylen MORE
Entertainment / Bowling / Crossover: A ball thrown on the first shot that misses your pocket and hits either on the wrong pocket or even misses farther to the wrong pocket side. MORE
Technology / Home Audio / Lfe Input: Found on some powered subwoofers, this special preamp-level input accepts the 'Low Frequency Effects' signal that's output by digital 5.1-, 6.1-, or 7.1-channel home theater receivers, ensuring proper MORE
Technology / Home Audio / Dolby Digital: Dolby's name for its format for the digital soundtrack system for motion picture playback. Utilizes their AC-3 method of digital compression. The signal is optically printed between the sprocket holes MORE