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What is Bipole Speaker? Bipole surround speakers have two or more speakers that output sound from both sides of the cabinet. If used as side surround speakers, the sound is output both towards the front and rear of the room. If used as rear surround speakers, they output sound in both...

What are Amplifiers? An amplifier is an electronic device that increases the voltage, current, or power of a signal. A/V amplifiers are the power component to which the speakers are connected. A/V Receivers contain amplifiers, but external amplifiers can be added if the speakers require...