JL Audio A1400 owner manual

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A1400

monoblock subwoofer 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 equipment to ensure

optimum performance from this product. Should you decide to install the amplifier yourself, please take the time to read this manual thoroughly so as to familiarize yourself with its installation requirements and setup procedures.

If you have any questions regarding the instructions in this

manual or any aspect of your amplifier’s operation, please contact your authorized JL Audio dealer for assistance. If you need further assistance, please call the JL Audio Technical Support Department

at (954) 443-1100 during business hours.

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Contents A1400 Planning Your Installation Installation ApplicationsProtect Your Hearing Serial NumberPower Connections Typical Installation SequenceProduct Description Fuse RequirementsInput Section TURN-ON LeadInput Voltage Range Amplifier ControlsPrecise Frequency Selection The filter Bass Boost ControlsPRE-OUTS Speaker OutputsAdvanced Rollback Thermal protection Amplifier Status Indicator Lights & Protection CircuitryLow-Voltage protection Servicing Your JL Audio AmplifierAppendix B Appendix aAppendix C How do I properly set the input sensitivity on my amplifier Appendix D Trouble ShootingMy amplifier doesn’t turn on My amplifier turns on, but there is no outputInstallation Notes Installation Notes If you need service on your JL Audio product Limited Warranty Amplifiers USAJL Audio, Inc International Warranties

A1400 specifications

The JL Audio A1400 is a powerful multi-channel amplifier designed to meet the demanding requirements of car audio enthusiasts. Renowned for its exceptional performance and quality, the A1400 is a prime choice for those seeking to enhance their automotive sound experience.

One of the standout features of the A1400 is its Class D amplifier technology. This design not only ensures high efficiency, allowing the amplifier to produce more power without generating excessive heat, but it also reduces the overall weight of the unit. The A1400 is capable of delivering 1400 watts of peak power, making it suitable for driving multiple speakers with ease, whether they are part of a full-range setup or a dedicated subwoofer stage.

The amplifier offers a fully flexible configuration, supporting 4-channel output, which enables users to run it in several different modes: 4-channel, 3-channel, or bridging it to a 2-channel operation for increased power to a pair of subwoofers. This versatility makes the A1400 adaptable for various audio setups, whether it's powering front and rear speakers or providing a rich low-frequency response.

In addition to its powerful output, the A1400 includes advanced technologies like differential balanced inputs, allowing for a clean signal transfer and reduced noise interference from external sources. This feature is particularly beneficial in automotive environments where electronic noise can impact sound quality.

The amplifier also comes equipped with a variable crossover network, enabling users to tailor the audio output to their specific needs. With this functionality, users can adjust the crossover frequency to ensure that each speaker is receiving the appropriate range of frequencies for optimal sound clarity and performance.

Aesthetic considerations have not been overlooked; the JL Audio A1400 is housed in a sleek aluminum and steel chassis designed for durability while also promoting effective heat dissipation. The illuminated JL Audio logo adds a touch of style, making this amplifier visually appealing.

With its outstanding power delivery, flexible configurations, and sophisticated features, the JL Audio A1400 stands out as a reliable and high-performance option for anyone looking to elevate their car audio experience. Whether you're an audiophile or just stepping into the world of high-quality sound systems, the A1400 promises to deliver an audio experience that is both immersive and exhilarating.