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Stereo or Mono Inputs Your PYRAMID XPA amplifier can be operated in Stereo, Mono or Bridged mode, depending on the input source. If the input signal is mono, slide the Stereo/Mono/Bridged selector switch to MONO and the signal will be routed through both channels.
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(non-bridged) operation as a stereo speaker output. About the internal protect circuitry Special clip circuitry incorporated into your PYRAMID XPA amplifier’s design protects the amplifier and speaker system MONO BRIDGED OPERATION from being damaged from overdriving power.
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