12
2-Channel Bass Amplifier - Functions and Controls
XX-COLOSSUS II
BALANCED INPUT
Accepts balanced line inputs from 0.4 volts to 12 volts for the optional MMBLD-1
balanced line driver.
SUBSONIC
-
Eliminates the lowest frequencies to protect the speakers from
damages. These low frequencies can cause damages. The frequency is adjustable
from 10 Hz up to 50 Hz.
BASS BOOST -
Allows you to adjust the bass boost from 0dB up to 18dB.
REMOTE
Connection for remote control. Allows you to adjust
the subwoofer from your seat.
POWER - LED
Green LED is illuminated amplifier is on
PROTECT - LED
If this LED is illuminated, there is a circuit shorting in the
speakers or wires. But also the amplifier can be damaged.
LINE INPUT
Accepts unbalanced RCA inputs
from 0.2 volts to 9 volts.
LINE OUT -
Full range output that allows you to
use additional amplifiers
LOW PASS -
The built in low pass filter is fully variable from 35Hz to 250Hz.
LEVEL
The input control allows you to match the amplifier input sensitivity to the
output level of the Radio/CD source from 0.2 volts to 9 volts when using
unbalanced (RCA) and 0.2 volts to 18 volts with the balanced input.
PHASE SHIFT
With the Phase Shift you can adjust the Phase between 0° and 180°. It is a
technique which shifts the period of wave so you can co-ordinate your
subwoofer with the other speakers in your car.
