Orion Car Audio HCCA 225R - Manual (Page 43)

Remote Gain Section
The remote gain port provides easy remote access to the internal gain structure of
the HCCA power amplifier. The RGC-1 plugs into the amplifier via the 1/8” mini
jack plug. The RGC-1 can be installed in the front of the vehicle to control the am-
plifier gain level. The RGC-1 can be used as a bass level control when used on an
amplifier dedicated to subwoofers
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