Select features to learn more:

• Big power, small size

  Big power, small size

  It’s only 13-3/16 inches (351 millimeters) long, 10-3/8 inches (264 millimeters) wide and 2-1/8 inches (54 millimeters) high, but the JBL® GTO504 full-range amplifier can wield 280 watts of raw power. It’s a great choice to bump up the output level of your car audio system.

• Variable electronic crossover

  Variable electronic crossover

  The JBL® GTO504 has a 12dB-per-octave electronic crossover – variable from 32Hz to 320Hz – that lets you optimize your car audio system’s tuning based on the system’s components and their location. The transition from bass to higher frequencies is under your command.

• Bass boost

  Bass boost

  For drivers who want to control the power of their car audio system’s lowest tones, the JBL® GTO504 offers a bass-boost control. Adjust the bass by up to 6dB or leave it alone. The choice and the power are all yours.

• Full-range preamp outputs

  Full-range preamp outputs

  An amplifier is meant to connect to other components, and the JBL® GTO504’s high-quality Direct-Connect terminals provide connections that you can trust. Its full-range preamp outputs permit multiple hookups without requiring high-loss Y-adapters or signal splitters.

• Wide frequency response

  Wide frequency response

  The JBL® GTO504’s 10Hz to 100kHz frequency response stretches above, through and below the range of human hearing to capture everything that your audio sources offer. From symphonies to rap, there’s no sound that the GTO504 can’t handle.

What's in the box:

• View contents

  What's in the box

  • • (1) GTO 504 amplifier
  • • (4) screws
  • • (2) fuses
  • • (1) Owner's manual

Download:

• Manuals & More

  Manuals & More

  Product Information Sheet English: 475.29KB PDF Owner's Manual English: 1235.64KB PDF Warranty English: 286.3KB PDF