JL Audio J21000.1 - Manual (Page 9)

16 JL Audio 17
installation notes:
Use this diagram to document your amplifier’s switch and control positions.
LP Filter Frequency (Hz) Input Sens. Bass Boost Remote Level Port
min max 40 300 Off +12dB
Protect Power
High-Level Inputs
LEFT
RIGHT
LEFT
RIGHT
Amplifier Controls Amplifier Inputs Pre-Outs Amplifier Status