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HIGH INPUT
HIGH INPUT
POWER
PROTECT
®
How to Install and Operate Contents
the XA4150 Amplifier
Features........................................ 2
Installation................................... 2
Before You Begin
Installation ..................................... 2
Amplifier Location ..........................2
Disconnect Battery ........................2
• Amplifier Installation Kit ............. 2
Supplies and Tools
Needed .......................................... 3
Routing Wires ............
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® XA4150 Features The Jensen XA4150 power amplifier is a two- • Bridgeable design to direct full power to two channel 400-watt total system power automotive speakers amplifier. The XA4150 includes: Audio Amplifiers • RCA inputs Amplification offers two advantages: • High level inputs • Continuously variable low pass or high • The XA4150 amplifier can make the sound pass crossover of your receiver fuller and richer, even at low volume levels. • Bass boost feature • Many automotive receivers provi
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® XA4150 Supplies and Tools Needed Routing Wires Supplies: • Speaker wire (12 gauge for subwoofers, 16-18 Battery gauge for other speakers) Battery • Sheet metal type screws for mounting amplifier Connector • Electrical tape • Solderless crimp connectors Fuse or • 1/2" thick plywood or particle board to mount Circuit Breaker amplifier on Grommet To prevent Tools: damage to power wire • Flat and Phillips screwdrivers Receiver • Wire cutters • Wire strippers Power Wire • Cordless or standard ele
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25A 25A 25A ® XA4150 Wiring Power and Outputs FUSE + 12V RMT GND A-CH B-CH C-CH D-CH + – – + + – – + POWER SPEAKER Power Terminal (BATT +12V) Remote Terminal (RMT +12V) Connect the radio power antenna lead from Connect directly to the vehicle battery+ the receiver to the amplifier remote (RMT) terminal with 8 gauge wire (minimum). terminal. This turns the amplifier on whenever + 12V RMT GND the receiver is turned on. If a power antenna lead is not available, connect this wire to the radio or a
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® XA4150 Inputs and Controls HIGH INPUT HIGH INPUT A C POWER protect B D INPUT PASS INPUT PASS Pass Output Input Wiring Inputs may be high level (from the receiver's Use pass through (PASS OUTPUT) speaker) or low level (from special low level connectors for adding other amplifiers. outputs). Low level input is preferred for best performance. PASS Important Use only the low level or high level input, do Power Light not use both at one time. The power light comes on when 12 Low Level Input POWER v
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® XA4150 BASS-BOOST LEVEL Crossover OFF ON Adjust the crossover to accommodate your CH 1/2 chosen installation method. X-OVER MIN MAX MIN MAX • LPF –(low pass filter) only bass LPF HPF tones go to speakers. Use with FULL LPF X-OVER woofers or subwoofer. MODE CH CH • FULL –all tones go to speakers. 3/4 1/2 LPF HPF Use with full-range speakers. 4CH 2CH 3CH FULL • HPF –(high pass filter) blocks very 50 250 50 250 X-OVER low tones from the speakers. Use HPF with 6" or smaller speakers. LPF HPF FU
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® XA4150 Speaker Wiring The XA4150 amplifier has inputs and outputs for four channels 4 Speakers 2 Subwoofers/Bridged Mono 2/4Ω 2/4Ω RCA Cables RCA Cables 2/4Ω 2/4Ω 4Ω 4Ω A-CH B-CH C-CH D-CH A-CH B-CH C-CH D-CH + – – + + – – + + – + + – + – – 4Ω 4Ω minimum minimum BASS-BOOST X-OVER OFF ON LPF HPF CH 1/2 FULL CH 3/4 BASS-BOOST X-OVER X-OVER BASS-BOOST MODE LPF HPF OFF ON CH 1/2 LPF HPF FULL CH 3/4 OFF ON FULL X-OVER BASS-BOOST MODE 4CH 2CH 3CH LPF HPF OFF ON FULL 4CH 2CH 3CH 7 5314Eamp.p65 7
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® XA4150 2 Speakers + Bridged Subwoofer 4 Speakers + 2 Subwoofers 4Ω 4Ω RCA Cables RCA Cables 4Ω 4Ω 2/4Ω 2/4Ω 4Ω 4Ω 4Ω A-CH B-CH C-CH D-CH + – – + + – – + A-CH B-CH C-CH D-CH + – – + + – – + High Pass Filter 4Ω minimum Low Pass Filter BASS-BOOST X-OVER (available at most car stereo installation OFF ON LPF HPF 4Ω 4Ω CH 1/2 stores) FULL CH 3/4 minimum minimum X-OVER BASS-BOOST BASS-BOOST X-OVER MODE LPF HPF OFF ON OFF ON LPF HPF FULL CH 1/2 FULL CH 3/4 4CH 2CH X-OVER 3CH MODE BASS-BOOST
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® XA4150 Testing 3 Before you finish the installation, you should do the following tests to make sure the wiring is correct and everything is operating properly. Reconnect Battery Professional Tip Dealing with Alternator Noise When wiring is complete, reconnect the battery The vehicle alternator can cause a “siren” negative terminal. sound in the speakers that changes with engine speed. To prevent alternator noise: • Do not bundle RCA cables with speaker or power wires • Do not run speaker wire
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® XA4150 Professional Tip Professional Tip Securing Wires Installing in Trunk When installing the amplifier in the trunk, run Be proud of your installation! Use wire ties to the power wires along the same path as the bundle wires together when possible. (But other vehicle wiring. Many cars have insulated never bundle speaker wires and power wires channels for wiring. You will have to remove together!) the door sill trim and the carpet. Professional Tip Crimp Connections Secure loose
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® XA4150 Troubleshooting Problem Possible Cause Corrective Action Amplifier does not operate No power to +12V terminal Repair wire or connections (power LED not on) when vehicle and radio are on No power to remote wire with radio on Check connections to radio with test light Fuse blown Check fuse Radio volume needs to be Input level control (gain control) Adjust input level control (gain control) turned up too high for amp adjusted too low to work Radio volume is too sensitive Input level contr
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Specifications XA4150 Amplifier Power output @ 14.4 VDC, 20-20 kHz ............ (4 ohms) 75 Watts per channel RMS, < 00.08% THD (2 ohms) 100 Watts per channel RMS, < 00.1% THD (4 ohms) bridged 200 Watts per channel RMS, < 00.1% THD Frequency Response .......................................................................................... 20 Hz-20 kHz ± 3 dB Signal to Noise Ratio @ Rated Power ....................................................................................>100 dB Channel Se
