JPA460 4-Channel Amp Quick Start Guide
RCA Cables
BRIDGED 
(LF+)
AMP
+12V REM GND
LEFT FRONT RIGHT FRONT
SPEAKER SPEAKER
BRIDGED 
(LR+)
LEFT REAR RIGHT REAR
SPEAKER SPEAKER
CAR STEREO /
SOURCE UNIT
Minimum Wire Size:
+12V - 6 AWG
Ground - 6 AWG
CHASSIS GROUND
Remote /
Power Antenna
Need help?
For technical
assistance, call the Jensen customer support line at
BATTERY
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Fuse Block or Fuse Holder
1.Disconnect the negative
NOTE: Check your vehicle's owners manual before disconnecting the battery. Disconnecting the battery in some vehicles may require an
2.Run suitable AWG wire to where the amplifier will be mounted (run 1 foot extra than you think you will need). Use rubber grommets where wires will pass through the firewall or other areas of the vehicle. Make certain a fuse holder is placed within 18 inches of the vehicle battery – this is mandatory. Do not place a fuse in the fuse holder at the battery at this time.
3.Mount the amplifier on a flat surface. Since a flat surface in a modern vehicle is often
difficult to find, an alternative is to cut a piece of 1/2 inch wood slightly larger than the amplifier mounting area (covered with automotive type carpeting). Mount the piece of wood, and then mount the amplifier to the carpeted wooden mount.
4.Ground the amplifier using the same AWG wire size used for the power cable. Make sure the ground location is a clean, unpainted metal surface.
5.Run the RCA and Remote
6.Run speaker wires (16 AWG or larger) from your speakers to the amplifier.
7.Place a suitable size fuse in the fuse holder at the battery.
8.Ensure that the crossover is set to "OFF" and that the input level control is set to "MIN".
9.Turn on the head unit and make appropriate amplifier adjustments.