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Balance - The relative volume level between two channels, usually the left and right channels. May also refer to the relative volume between front and rear channels of an audio system. To make the same or equal.
Bandpass - A two-part filter that cuts both high and low frequencies allowing the band of frequencies between these two points to pass.
Bandwidth - The range of frequency response between lower and upper frequencies points, which audio signals pass through an electrical device or conductor where the signal has rolled off by three decibels.
Basket - The rigid frame of a speaker that supports all of its components.
Bass - The low audio frequency range typically below 500 Hz (hertz).
Bi-Amplification - The use of two amplifiers, one for the amplification of lower (bass) frequencies, and the other for higher (midrange and treble) frequencies. The audio signal from the head unit or pre-amplifier is passed through an electronic crossover and divided into t
Boom, Boomy - Excessive bass response or peak in bass response of a recording, playback, or sound system. Dominant in the low frequency range. Without complimentary levels of frequencies other than bass.
Boost - To Increase.
Bottom End - Bass response; referring to the sound qualities of the lowest frequency ranges of a speaker or audio system.
Bridging - Combining two outputs of an amplifier to use as one, usually to a woofer. This provides an increase in power output (wattage) necessary to reproduce lower frequencies at higher volume levels.