Amplifier - Features - Crunch GroundPounder GP1500.1 Owner's Manual

REMOTE CONTROL
The jack is for use with the enclosed
remote control. Only the low pass signal
will be controlled.
POWER - LED
It indicates amplifier has
turn on signal
BASS BOOST
Allows you to adjust the bass
boost from 0dB up to 12dB
LOWPASS
The lowpass filter eliminates the higher
frequencies. The built in low pass filter is fully
variable from 40Hz to 150Hz with a rolloff of
12dB/octave
PROTECT - LED
It indicates the fault operation of the amplifier. When the
fault conditions (overload, excessive heat or short circuit
of speaker) arise, the protection circuit is engaged to
protect both the speakers and the amplifier against
damage
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Amplifier - Features

SUBSONIC
The Subsonic filter sets the lower cut-off frequency and protects
the Subwoofer from damage. The subsonic frequency is fully
variable from 15Hz to 55Hz
INPUT
This allows you to match the
amplifier input sensitivity to
the output level of the source
OUTPUT
Provides a full range line level
(RCA) output that allows the use of
additional amplifiers
INPUT
LEVEL
Accepts line level (RCA) inputs
from 0.2 to 5 Volts