Instruction/ maintenance manual of the product LXA300 Jensen
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How to Install and Operate the LXA300 Amplifier ® Contents T echnical Assistance For technical assistance with the operation or installation of the LXA300, call 1-800-323-0221. W elcome! What you're holding in your hands is no ordinary owner's manual.
2 ® LXA300 Amplifier Location The LXA300 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 .
3 ® LXA300 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 • S.
4 ® LXA300 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.
5 ® LXA300 Inputs and Controls 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.
6 ® LXA300 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 .
7 ® LXA300 Speaker Wiring 2 Subwoofers 2 Speakers L + L – R – R + RCA Cables 2/4 Ω 2/4 Ω LPF FULL HPF X-OVER 2/4 Ω 2/4 Ω RCA Cables L + L – R – R + LPF FULL HPF X-OVER.
8 ® LXA300 Bridged Subwoofer 2 Speakers + 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.
9 ® LXA300 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.
10 ® LXA300 Pr ofessional 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.
11 ® LXA300 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 .
Specifications LXA300 Amplifier Power output @ 14.4 VDC, 20-20 kHz ............ (4 ohms) 75 Watts 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 .
An important point after buying a device Jensen LXA300 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Jensen LXA300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Jensen LXA300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Jensen LXA300 you will learn all the available features of the product, as well as information on its operation. The information that you get Jensen LXA300 will certainly help you make a decision on the purchase.
If you already are a holder of Jensen LXA300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Jensen LXA300.
However, one of the most important roles played by the user manual is to help in solving problems with Jensen LXA300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Jensen LXA300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
