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 |
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Power250x2 |
25A |
#8 |
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Power400x4 |
2x20A |
#8 |
Power500x1 |
2x35A |
#6 |
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Remote Terminal (Turn-On)
Connect the power antenna or amplifier turn-on lead (Switched +12VDC) from the receiver to the amplifier remote terminal.
Note: Complete amplifier operation manuals are online at
www.jensenmobile.com
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 |
Fuse or Circuit Breaker |
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Install as close to the battery as possible.
Drill hole in chassis sheet metal.
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.
POWER INPUT
DrillGNDhole REMin chassis+12V
Remote Turn-On (Power Antenna) From Head Unit Receiver
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C |
D2620 |
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STREB |
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B A S |
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i |
CD |
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40 WA |
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RECE |
IV ER |
TT Sx4 |
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1 |
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2 |
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3 |
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4 |
5 |
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6 |
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Speaker Wiring
The Speaker Wiring diagrams illustrate options for connecting one or two speakers. Observe the proper speaker polarity.
Power500x1
Two Subwoofers |
One Subwoofer |
SPEAKER OUTPUT
– |
+ |
SPEAKER OUTPUT
– |
– |
+ |
+ |
4 Ohm Minimum (Each) |
4 O |
Power400x4
Four Speakers
4 Ohm / 2 Ohm Minimum
+ |
CH1 |
- |
+ |
CH2 |
- |
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CH3 |
- |
+ |
CH4 |
- |
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+ |
BRIDGED |
- |
4 Ohm / 2 Ohm Minimum
Power250x2
Two Speakers |
One Subwoofer |
SPEAKER OUTPUT
+ LEFT - + RIGHT - 
BRIDGED 
SPEAKER OUTPUT
+ LEFT - + RIGHT - 
BRIDGED 
4 Ohm / 2 Ohm Minimum |
4 Ohm Minimum |
Power400x4
Two Speakers
4 Ohm Minimum
+ |
CH1 |
- |
+ |
CH2 |
- |
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+ |
CH3 |
- |
+ |
CH4 |
- |
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+ |
BRIDGED |
- |
4 Ohm Minimum
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