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A2150
two-channel full-range amplifier
OWNER’S MANUAL
Thank you for purchasing a JL Audio amplifier for
your automotive sound system.
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your vehicle.
For maximum performance and extended warranty
coverage, we highly recommend that you have your new amplifier
installed by an authorized JL Audio dealer. Your authorized
dealer has the training, expertise and installation e
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PROTECT YOUR HEARING! INSTALLATION APPLICATIONS PLANNING YOUR INSTALLATION We value you as a long-term customer. For This amplifier is designed for operation in It is important that you take the time to read Mounting the amplifier upside down is that reason, we urge you to practice restraint in vehicles with 12 volt, negative-ground electrical this manual and that you plan out your strongly discouraged. the operation of this product so as not to damage systems. Use of this product in vehicles w
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PRODUCT DESCRIPTION The JL Audio A2150 is a two-channel (90 cm) from the amplifier to the ground The A2150’s “+12VDC” and “Ground” Many vehicles employ small (10 AWG - full-range audio amplifier utilizing patented connection point. In some vehicles, it may be connections are designed to accept 8 AWG - 6 AWG) wire to ground the battery to the Absolute Symmetry™ Class A/B technology for necessary to upgrade the battery ground wire. 4 AWG power wire. 8 AWG is a minimum power vehicle chassis and t
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INPUT SECTION FILTER CONTROLS The A2150’s input section allows you to send The output of the amplifier will decrease for Most speakers are not designed to reproduce 1) “Filter Mode” Control: The A2150 employs a signal to the amplifier section through the use a given input voltage when the “Input Range” the full range of frequencies audible by the 12dB per octave filter which can be configured of two differential-balanced inputs, one for switch is placed in the “High” position. human ear. For
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BASS BOOST CONTROLS SPEAKER OUTPUTS AMPLIFIER STATUS INDICATOR LIGHTS & The A2150’s speaker outputs are designed to When a pair of channels are bridged, they PROTECTION CIRCUITRY accept 16 AWG - 8 AWG wire. will deliver 150W x 1 into a 4 ohm load or There are two status indicator lights on the The A2150 is designed to deliver power into 90W x 1 into an 8 ohm load. Operating a input / control end of the amplifier. speaker loads equal to or greater than 2 ohms pair of bridged channels into a loa
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Low-Voltage protection: SERVICING YOUR JL AUDIO AMPLIFIER If the car’s supply voltage drops below 10 If your amplifier fails or malfunctions, please volts, the entire amplifier will shut itself off to return it to your authorized JL Audio dealer so protect its internal circuitry. The green “Power” that it may be sent in to JL Audio for service. indicator will turn off when this occurs. The There are no user serviceable parts or fuses inside amplifier will turn back on when voltage climbs the
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APPENDIX A: APPENDIX B: APPENDIX C: Input Sensitivity Level Setting 8) Increase the “Input Sens.” control until the Precise Frequency Selection Chart A2150 Specifications Following the directions below will allow the target voltage is observed with the voltmeter. “FILTER FREQ” AMP FILTER installer to adjust the input sensitivity of each 9) Once you have adjusted the A2150 to its General Specifications: Detent Panel Actual amplifier channel pair simply and easily in just a maximum low-distorti
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APPENDIX D: TROUBLE SHOOTING “How do I properly set the input sensitivity on my amplifier” “My amplifier shuts off once in a while, usually at higher volumes” Please refer to Appendix A (page 12) to set the input sensitivity for Check you r voltage source and grounding point. The power supply maximum, low-distortion output. of the A2150 will operate with charging system voltages “My amplifier doesn’t turn on” down to 10V. Shutdown problems at higher volume levels Check t he fuse, not jus
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INSTALLATION NOTES: Use this diagram to document your amplifier’s switch and control positions. 16 JL AUDIO A2150 JL AUDIO A2150 17
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INSTALLATION NOTES: INSTALLATION NOTES: 18 JL AUDIO A2150 JL AUDIO A2150 19
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LIMITED WARRANTY - AMPLIFIERS (USA) JL AUDIO warrants this product to be free of defects in materials and workmanship for a period of ninety (90) days from the original date of purchase. The warranty term is extended to two (2) years if installation is performed or approved by an authorized JL AUDIO dealer (proof of installation or approval required on purchase receipt). This warranty is not transferrable and applies only to the original purchaser from an authorized JL AUDIO dealer. Should s