A subwoofer is a loudspeaker designed to breed low-pitched audio frequencies, usually beneath 200 Hz for client subwoofers, beneath 100 Hz for skilled subwoofers, and beneath 20 Hz for subwoofers utilized in THX-certified programs. Subwoofers are used to enhance the low-frequency response of loudspeakers which might be unable to breed your entire audible frequency vary, similar to small bookshelf audio system or pc audio system.
18-inch subwoofers are among the largest and strongest subwoofers obtainable, and they’re able to producing extraordinarily low frequencies with excessive ranges of output. This makes them very best to be used in massive dwelling theater programs or skilled sound reinforcement programs. Nonetheless, 18-inch subwoofers are additionally very costly and require lots of energy to function, so they aren’t appropriate for all purposes.