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Power Connection

1.Connect a wire (minimum 6AWG – 13.2mm2 – for the GTO-1001EZ; minimum 8AWG – 8.4mm2 –for the GTO-751EZ and GTO-501EZ) directly to the battery’s positive (+) terminal.

2.Install a fuse holder for a 120A fuse (GTO-1001EZ), 80A fuse (GTO-751EZ) or 50A Fuse (GTO-501EZ) on this wire within 18" (46cm) of the battery’s (+) terminal. Do not install the fuse in the holder at this time.

3.Route this wire to the amplifier’s location and connect it to the amplifier’s +12V terminal. Be sure to use appropriate grommets whenever routing wires through the firewall or other sheet metal. IMPORTANT: Failure to adequately protect the positive wire from potential damage may result in a vehicle fire.

4.When you are finished routing and connecting this wire, install the appropriate fuse in the holder you installed near the battery. (GTO-1001EZ = 120A fuse; GTO-751EZ = 80A fuse; GTO-501EZ = 50A fuse.)

SUBWOOFER CONNECTION

Connect the subwoofer to the amplifier’s Sub (+) and (–) terminals.

GTO

Subwoofer Amplifier

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Subwoofer

Always connect the (+) terminal on the amplifier to the (+) terminal on the subwoofer and the (–) terminal on the amplifier to the (–) terminal on the subwoofer.

IMPORTANT: Make sure the (+) and (–) bare wires do not touch each other or the other terminal at both the amplifier terminals and subwoofer terminals. Touching wires can cause a short circuit that can damage the amplifier.

NOTE: The minimum subwoofer impedance is 2 ohms.

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JBL GTO-751EZ, GTO-1001EZ, GTO-501EZ owner manual Power Connection, Subwoofer Connection

GTO-751EZ, GTO-501EZ, GTO-1001EZ specifications

The JBL GTO series of amplifiers, including the GTO-1001EZ, GTO-501EZ, and GTO-751EZ, represents a compelling choice for audiophiles who seek enhanced audio performance in their vehicles. These amplifiers are designed to deliver powerful and clear sound quality, making them essential components for any high-fidelity car audio system.

The GTO-1001EZ is a monoblock amplifier that boasts a robust output of 1000 watts RMS at 2 ohms. This model utilizes JBL's latest technology, including True Power technology, which ensures consistent power delivery without distortion. The amplifier features a variable low-pass filter that allows users to tailor their bass response according to the type of music they prefer. Additionally, the GTO-1001EZ includes a remote gain control for easy adjustments from the driver’s seat.

The GTO-501EZ is a versatile five-channel amplifier capable of powering both speakers and subwoofers, making it an excellent choice for building a complete audio system. Offering 75 watts RMS per channel at 4 ohms for the speakers and a dedicated subwoofer channel with a peak power of 500 watts, this amplifier provides dynamic sound across all frequencies. It also incorporates high-level inputs, which facilitate seamless integration with factory audio systems. The GTO-501EZ features an advanced thermal management system to prevent overheating during extended use.

For those seeking even more power, the GTO-751EZ is a robust seven-channel amplifier designed to drive speakers and a subwoofer efficiently. With a total output of 900 watts RMS, this amplifier is perfect for large setups and can accommodate high-performance audio systems. It also comes equipped with a built-in DSP processor, allowing users to customize the sound field and frequency response to suit their preferences.

All three models feature JBL's special class D amplifier technology that helps to minimize size while maximizing output efficiency. The compact design makes installation in tight spaces a breeze. Additionally, these amplifiers utilize gold-plated terminals for improved connectivity and performance.

In summary, the JBL GTO-1001EZ, GTO-501EZ, and GTO-751EZ amplifiers stand out in the automotive audio landscape. With their powerful output, customizable features, and state-of-the-art technologies, they provide an excellent foundation for a high-quality car audio system, enhancing the listening experience for anyone who values exceptional sound quality on the road.