JL Audio T2-500.1 Owner's Manual page 8

installation notes:
Use this diagram to document your amplifier's switch and control positions.
Preamp Amplifier
Outputs Inputs
Remote
LEFT LEFT
Level
Port
Power
Reversed | Normal
Output Polarity 40 130 O +12dB
min max
Input Sens. LP Filter Frequency (Hz) Bass Boost
a JL Audio® Company
RIGHT RIGHT
14 Total Mobile Audio 15