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Jensen XA4150 manual

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Table of contents for the manual

  • Page 1

    How to Install and Operate the XA4150 Amplifier ® Contents T echnical Assistance For technical assistance with the operation or installation of the XA4150, call 1-800-323-0221. Welcome! What you're holding in your hands is no ordinary owner's manual. We've tried to make the instructions in this book clear and easy to follow . For yo[...]

  • Page 2

    2 ® XA4150 Amplifier Location The XA4150 amplifier’s compact design allows greater flexibility in mounting. It can be mounted under a seat or in the trunk. When selecting a location, remember that amplifiers generate heat. Select a location where air can circulate around the amplifier . Do not cover the XA4150 with carpets or enclose it behind i[...]

  • Page 3

    3 ® XA4150 Supplies and T ools Needed Supplies: • Speaker wire (12 gauge for subwoofers, 16-18 gauge for other speakers) • Sheet metal type screws for mounting amplifier • Electrical tape • Solderless crimp connectors • 1/2" thick plywood or particle board to mount amplifier on T ools: • Flat and Phillips screwdrivers • Wire cut[...]

  • Page 4

    4 ® XA4150 Wiring Power and Outputs Remote T erminal (RMT +12V) Power T erminal (BA TT +12V) Connect directly to the vehicle battery+ terminal with 8 gauge wire (minimum). Ground T erminal (GND) Connect to a good chassis ground. The ground connection should be to clean, unpainted metal to provide a good electrical connection. Connect the radio pow[...]

  • Page 5

    5 ® XA4150 Inputs and Contr ols Input Wiring Important Use only the low level or high level input, do not use both at one time. Low Level Input Use a pair of shielded stereo audio cables with RCA type jacks. Most trunk-mount amplifier installations require 20-foot RCA cables. Most under-seat and pickup truck installations use 12-foot cables. Conne[...]

  • Page 6

    6 ® XA4150 Adjust the crossover to accommodate your chosen installation method. Use LPF and HPF to adjust from 50 to 250Hz. When using your Jensen amplifier to run a subwoofer and two full- range speakers (known as T ri-mode or three channel operation) you will need to purchase separate high and low pass crossovers from your local retailer . A pai[...]

  • Page 7

    7 ® XA4150 Speaker Wiring The XA4150 amplifier has inputs and outputs for four channels 2 Subwoofers/Bridged Mono 4 Speakers A-CH B-CH C-CH D-CH + – – + + – – + RCA Cables 2/4 Ω 2/4 Ω 2/4 Ω 2/4 Ω OFF ON LPF FULL HPF BASS-BOOST OFF ON BASS-BOOST X-OVER LPF FULL HPF X-OVER CH 1/2 CH 3/4 4CH 3CH 2CH MODE A-CH B-CH C-CH D-CH + – – [...]

  • Page 8

    8 ® XA4150 4 Speakers + 2 Subwoofers 2 Speakers + Bridged Subwoofer Important When running a subwoofer and two full-range speakers together (T ri-mode operation), high and low pass filters must be used. Failure to install these filters will damage your amp and/ or speakers. A-CH B-CH C-CH D-CH + – – + + – – + RCA Cables 4 Ω 4 Ω 4 Ω 4[...]

  • Page 9

    9 ® XA4150 T est Power Wiring 1. T urn on the receiver but do not turn up the volume. The amplifier power light should come on. If not, check the RMT and +12V wires. 2. T urn up the receiver volume slightly . All speakers should operate. If not, check wiring connections at amplifier and speakers. ✓ T esting T est Speaker Connections These tests [...]

  • Page 10

    10 ® XA4150 Professional Tip Crimp Connections Purchase crimp connectors and crimping tool. Connectors are color coded. 1. Strip 1/4 inch (6mm) of insulation from both wires. 2. Insert into connector . 3. Crimp tightly . Y ou can make permanent splices (using butt connectors) or select connectors that can be removed and reinstalled. 3 2 1 Strip wi[...]

  • Page 11

    11 ® XA4150 T r oubleshooting Problem Possible Cause Corrective Action Amplifier does not operate (power LED not on) when vehicle and radio are on Radio volume needs to be turned up too high for amp to work Radio volume is too sensitive Sound from only one speaker Sound distorted Blows fuses Alternator whine in outputs (vehicle ignition noise) Lou[...]

  • Page 12

    Specifications XA4150 Amplifier Power output @ 14.4 VDC, 20-20 kHz ............ (4 ohms) 75 W atts per channel RMS, < 00.08% THD (2 ohms) 100 W atts per channel RMS, < 00.1% THD (4 ohms) bridged 200 W atts per channel RMS, < 00.1% THD Frequency Response .......................................................................................[...]