JL Audio J2320.4 - Manuals - manualsarea.com

Page 2 - JL Audio; Mounting the amplifier upside down is

2 JL Audio 3 Planning Your installation It is important that you take the time to read this manual and that you plan out your installation carefully. The following are some considerations that you must take into account when planning your installation. Cooling efficiency Considerations: The outer sh...

Page 3 - Power ConneCtions; Fuse requirements; ProduCt desCriPtion; Disconnect the negative battery post

4 JL Audio 5 Power ConneCtions Before installing the amplifier, disconnect the negative (ground) wire from the vehicle’s battery. This will prevent accidental damage to the system, the vehicle and your body during installation. Made in China CHANNEL 1 (L) CHANNEL 2 (R) Bridged Bridged CHANNEL 3 (L) ...

Page 4 - inPut sensitivitY Controls; inPut seCtions

6 JL Audio 7 Make sure you observe correct polarity in making the “High Level Input” connections. Failure to do so will reduce bass and affect stereo imaging. The connections for the “High Level Inputs” plug wires are as follows from left to right on the plug: Channels 1&2 (FRONT) White: Left Po...

Page 5 - “bass boost” Controls

8 JL Audio 9 “bass boost” Controls Each channel pair of the J2-320.4 includes a single band, boost-only bass equalizer controlled by a rotary knob marked “Bass Boost”. This control has a boost range of 0dB (full- counterclockwise) to +12dB (full-clockwise) and is centered at 45 Hz. HP | Off | LP Fil...

Page 6 - serviCing Your tma amPliFier; trained service personnel. Do not attempt; Jl audio technical support; ” and

10 JL Audio 11 amPliFier status indiCator ligHts & ProteCtion CirCuitrY There are two status indicator lights on the control panel of the amplifier. HP | Off | LP Filter Mode High-Pass Low-Pass Filter Frequency (Hz) Filter Frequency (Hz) Input Sens. Input Sens. CH 3&4 Input From min max min ...

Page 7 - general specifications:; Recommended Fuse Value:; Following the directions below will allow the; necessary equipment; midrange application). Do not use attenuated; the nine-step Procedure; amplifier’s speaker output connectors.; impedance

12 JL Audio 13 aPPendix b:J2-320.4 specifications general specifications: Recommended Fuse Value: 60A Recommended Fuse Type: AFS, AGU or MaxiFuse™ at battery, 2 x 30A ATC fuses on amplifier chassis input sections: No. of Inputs: Two Stereo Pairs Low-Level Inputs: Single-ended with RCA jack inputs Lo...

Page 8 - “my amplifier turns on, but there is no output”; ” terminals; “my amplifier’s output fluctuates when i tap on it or hit a bump”; contact with the input jacks on the amplifier.; aPPendix C: troublesHooting

14 JL Audio 15 “my amplifier turns on, but there is no output” Check the input signal using an AC voltmeter to measure the voltage from the source unit while an appropriate test tone is played through the source unit (disconnect the input cables from the amplifier prior to this test). The frequency ...

Page 11 - if you need service on your Jl audio product:; authorized by JL Audio with a valid return authorization number.; Jl audio Customer service; (do not send product for repair to this address); international warranties:; by that country’s distributor and not by JL Audio, Inc.

limited warrantY - amPliFiers (usa) JL Audio warrants this product to be free of defects in materials and workmanship for a period of one (1) year from the original date of purchase. This warranty is not transferrable and applies only to the original purchaser from an authorized JL Audio dealer. Sho...