28
| JL Audio - 450/4
v2
Owner’s Manual
29
INSTALLATION NOTES:
Use this diagram to document your amplifier’s switch and control positions.
+12VDC
Ground Remote
CH 1 & 2 Filter Section
CH 1 & 2 Bass Control
CH 3 & 4 Filter Section
CH 1 & 2 Input Section
CH 3 & 4 Input Section
CH 3 & 4 Speaker Outputs
Left Output
Right Output
HP Filter Freq. (Hz)
Remote
Bass Port
CH 3
(Left)
CH 4
(Right)
CH 1
(Left)
CH 2
(Right)
Freq. Range
Input Voltage
Input Sens.
Input Sens.
Input Mode
2ch | 4ch
Filter Type
LP | BP | HP
x1 | x10
Low | High
Input Voltage
Low | High
High-Pass Filter
Off | 12dB | 24dB
Freq. Range Filter Mode | Slope
x1 | x10
Off | 12dB | 24dB
Infrasonic Filter
Off | 30Hz
Bass EQ
Off | On
Signal From
1 & 2 | 3 & 4 | All
50
60
75
95
130
200
500
50
60
75
95
130
200
500
Filter Freq. (Hz)
450 /4
v2
Four-Channel System Amplifier
Preamp Output Section
1 & 2
Inputs
Only
Either
feature
sums the
CH 1&2 input
signals to
mono when
activated.
1 & 2
and
3 & 4
Bridged: 150W x 1 (3-8Ω)
Left
Right
75W
(1.5-4Ω)
75W
Bridged: 300W x 1 (3-8Ω)
Left
Right
150W
(1.5-4Ω)
150W
CH 1 & 2 Speaker Outputs
Also sets
low-pass
cutoff for
CH 1 & 2
Bandpass
Filter
(if selected)
