INPUT MODE section:
CH 1-4 switch
Selects the input mode for CH 1, CH 2, CH 3 and
CH 4.
• "1-4": For 4-channel stereo input.
INPUT 1
INPUT 2
INPUT 3
INPUT 4
• "1": For 1-channel input.
INPUT 1
• "1-2": For 2-channel input.
INPUT 1
INPUT 2
• "1+3/2+4": For 4-channel input.
INPUT 1
INPUT 3
INPUT 2
INPUT 4
SUB CH switch
Selects the input mode for SUB CH (subwoofer
channel).
• "5": For mono subwoofer input.
INPUT 5
• "5+6": For stereo subwoofer input.
INPUT 5
INPUT 6
• "1+2": Uses signal input from INPUT 1+2.
INPUT 1
INPUT 2
• "3+4": Uses signal input from INPUT 3+4.
INPUT 3
INPUT 4
LINE OUT MODE switch
Sets the mode of signal output to LINE OUT 1
and 2 connectors. Signal output from all LINE
OUT connectors are unfiltered and not affected
by any FILTER settings.
• "THRU": Stereo output (through mode)
INPUT 1
INPUT 2
• "STEREO": Stereo output (summing mode)
INPUT 1
INPUT 3
INPUT 2
INPUT 4
• "ALL": Mono output (summing mode)
INPUT 1
INPUT 2
INPUT 3
INPUT 4
6
GB
CH 1
CH 2
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
CH 1
CH 3
CH 2
CH 4
CH 1
CH 3
CH 2
CH 4
SUB CH
SUB CH
SUB CH
SUB CH
LINE OUT 1
LINE OUT 2
LINE OUT 1
LINE OUT 2
LINE OUT 1
LINE OUT 2
CH 1/2 and CH 3/4 section:
FILTER switch
Sets the filter mode for CH 1/2 and CH 3/4.
• "OFF": Turns the filter off.
• "HP" (high-pass): Frequencies lower than HPF
control setting are filtered.
• "LP" (low-pass): Frequencies higher than LPF
control setting are filtered.
• "BP" (band-pass): The range of frequency for
the HPF control is automatically fixed at 50 Hz
– 500 Hz; the range of frequency for LPF
control is automatically fixed at 500 Hz – 5
kHz. Frequencies outside the range of HPF
and LPF settings are filtered.
RANGE switch
Sets the range of frequency for HPF (high-pass
filter) and LPF (low-pass filter) control.
• "50-500": Range of frequency for subwoofer.
• "500-5k": Range of frequency for midrange
speaker or tweeter.
HPF (high-pass filter) control
Depending on the RANGE setting, adjusts the
cutoff frequency in the range of 50 Hz – 500 Hz
or 500 Hz – 5 kHz.
LPF (low-pass filter) control
Depending on the RANGE setting, adjusts the
cutoff frequency in the range of 50 Hz – 500 Hz
or 500 Hz – 5 kHz.
INPUT SENS (input sensitivity) control
Adjusts the input level sensitivity for CH 1/2 and
CH 3/4.
Turn the knob clockwise when the output level
of the connected audio devices is low.
SUB CH section:
SUBSONIC FILTER switch
Turns the subsonic filter on or off.
SUBSONIC FILTER control
Adjusts the cutoff frequency (5 Hz – 50 Hz) of the
subsonic filter.
LPF (low-pass filter) switch
Turns the low-pass filter on or off.
LPF (low-pass filter) control
Adjusts the cutoff frequency (50 Hz – 500 Hz) of
the low-pass filter.
INPUT SENS (input sensitivity) control
Adjusts the input level sensitivity for SUB CH.
Turn the knob clockwise when the output level
of the connected audio devices is low.
SPEAKER OUT terminal screw head
+12 V terminal screw head
REMOTE terminal screw head
GROUND terminal screw head