Jensen POWER250X2, POWER400X4, POWER500X1 User Manual
Power Series Amplifiers
Installation Manual / Quick Start Guide
Installation Assistance
For installation assistance, call 888-921-4088 during normal business hours, or
visit www.jensenmobile.com at any time.
Supplies and Tools
To install the amplifier, you will need tools, supplies and adapters. It is best to
make sure you have everything you need before you start.
Disconnect Battery
Disconnect the negative (-) battery cable before starting the installation. Check
the battery ground (there should be two (2) ground wires coming from the
battery – one going to the starter mounting bolt or engine block and another
going to the vehicle chassis) and make sure the battery is grounded to the
chassis with at least a #8 gauge wire. Also check the alternator connections,
making sure they are tight and free from corrosion, rust or dirt.
Location and Mounting
The amplifier’s compact design allows great flexibility in mounting. Common
mounting locations include under the front passenger seat or in the trunk area.
When selecting a location, remember that amplifiers generate heat. Select a
location on a flat surface away from heat and moisture where air can circulate
around the amplifier.
Recommended Power Wire Size
MODEL NUMBER FUSE SIZE MIN. WIRE GAUGE
Power250x2
Power400x4
Power500x1
25A
2x20A
2x35A
#8
#8
#6
Remote Terminal (Turn-On)
Connect the power antenna or amplifier turn-on lead (Switched +12VDC)
from the receiver to the amplifier remote terminal.
Power Terminal (+12V) and Ground Terminal (Gnd)
Connect the main power wire to the battery, within 18 inches from the positive
(+) battery post, use an adequate size fuse or circuit breaker capable of
handling the current of the selected power wire. A fuse or circuit breaker must
be installed to prevent a possible electrical fire should the main power wire
short to ground.
POWER INPUT
GND REM +12V
Battery Terminal
Adapter
Make the ground lead as short as possible, leaving enough length to complete
the installation. To ensure a good ground, scrape away any paint or
undercoating to expose bare metal. Use a "ring" terminal of the proper gauge
and an "outside star washer" (between the chassis and ring terminal) when
making your ground connection.
Remote Turn-On (Power Antenna) From Head Unit Receiver
Fuse or Circuit Breaker
Install as close to the
battery as possible.
Drill hole in chassis sheet metal.
POWER INPUT
GND REM +12V
Drill hole in chassis
Note: Complete amplifier operation manuals are online at
www.jensenmobile.com
L
E
R
CD2620
A
F
L
D
A
E
B
VOL
B
E
R
T
S
S
A
B
CD
-R/R
W
AU
I
N
X
i
E
CDRECE IVER
Q
4
JPTH
LOC/DX
1
40
WA TT
2
INT
Sx4
SU
3
B-W
RPT
CH
MO
A
NGER
NO
4
SHF
MODE
DN
5
i
X
- SS
BA
AUX
6
AS
/P
UP
S
DIS
BAND
P
SCAN
i
EQ
MUTE
Speaker Wiring
The Speaker Wiring diagrams illustrate options for connecting one or two
speakers. Observe the proper speaker polarity.
Power500x1
Two Speakers
Power250x2
One Subwoofer
Two Subwoofers
SPEAKER OUTPUT
– – + +
4 Ohm Minimum (Each)
4 Ohm / 2 Ohm Minimum
Power400x4
Four Speakers
+ CH1 - + CH2 + CH3 - + CH4 -
One Subwoofer
SPEAKER OUTPUT
– – + +
4 Ohm / 2 Ohm Minimum
SPEAKER OUTPUT
+ LEFT - + RIGHT -
BRIDGED
4 Ohm / 2 Ohm Minimum
4 Ohm Minimum
SPEAKER OUTPUT
+ LEFT - + RIGHT -
BRIDGED
4 Ohm Minimum
Power400x4
Two Speakers
+ CH1 - + CH2 + CH3 - + CH4 -
4 Ohm / 2 Ohm Minimum
+ BRIDGED -
+ BRIDGED -
4 Ohm Minimum
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