JL Audio 450/4V2 Installation Notes, 28 | JL Audio - 450/4v2 Owner’s Manual, +12VDC Ground Remote

INSTALLATION NOTES:

Use this diagram to document your amplifier’s switch and control positions.

+12VDC Ground Remote

450/4v2

Four-Channel System Amplifier

Preamp Output Section	CH 1 & 2 Speaker Outputs		CH 1 & 2 Bass Control
Signal From			Bass EQ	Infrasonic Filter
1 & 2 3 & 4 All			Off On		Off 30Hz
					Either
					feature
					sums the
					CH 1&2 input
	Left	Right			signals to
	150W	(1.5-4Ω) 150W			mono when
					activated.
Left Output Right Output	Bridged: 300W x 1 (3-8Ω)		Remote
			Bass Port

CH 1 & 2 Filter Section

Freq. Range Filter Mode Slope

	x1 x10 Off 12dB 24dB
	95	Filter Type
75	130
60	200
50	500 LP BP HP

Filter Freq. (Hz)

CH 1 & 2 Input Section

Input Voltage	Input Sens.
Low High
		Input Mode
		2ch 4ch
CH 1	CH 2	1 & 2	1 & 2
		Inputs	and
(Left)	(Right)	Only	3 & 4

CH 3 & 4 Filter Section		CH 3 & 4 Input Section		CH 3 & 4 Speaker Outputs
Freq. Range High-Pass Filter		Input Voltage Input Sens.
	x1 x10 Off 12dB 24dB		Low High

	95	Also sets
75	130
		low-pass
60		cutoff for
	200 CH 1 & 2		Left		Right
		Bandpass
50	500	Filter	75W	(1.5-4Ω)	75W
		(if selected)

HP Filter Freq. (Hz)	CH 3	CH 4	Bridged: 150W x 1 (3-8Ω)
	(Left)	(Right)

28 JL Audio - 450/4v2 Owner’s Manual 29