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Input Level
This amplifier has two input level (gain) adjustments – one for Channel 1 and one
for Channel 2. These are used to properly match input levels with the source signal
to optimize the amplifier outputs. THEY ARE NOT A VOLUME CONTROL! To set
properly, the maximum unclipped output from the radio or source must be known
using proper test equipment. The input level adjustments can then be properly set
to maximize output without overdriving the amplifier. If the gain is not set properly
the amplifier may clip and damage your speakers and the amplifier itself. It is highly
recommended to use an audio specialist to properly adjust.
High Power/High Current Mode Selector
This amplifier is designed to maximize power in 4-ohm or 2-ohm operation through
two repositionable fuses accessible through a removeable window on the bottom
of the amplifier.
High Power:
In this default setting, the amplifier will maximize its output when powering 4-ohm
speakers in stereo. This requires the fuses to be placed into the outer two
receptacles.
High Current:
In the High Current setting, the amplifier will maximize its output when powering a
2-ohm speaker load in stereo or a 4-ohm speaker load when bridged. This requires
the fuses to be moved to the inner two receptacles.
MPS 2.150 LIMITED - Features