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General Features:

  • Monoblock GTO Series Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 500 watts x 1 chan.
    • 2 ohms: 750 watts x 1 chan.
  • Max Power: 1200W @ 2ohms, 15.5V DC, 10% THD
  • CEA-2006 Compliant Amplifier
  • Built-in Gain Indicator LEDs and an included setup CD
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • Signal sensing automatic Turn-on
  • Speaker-level (high-level) inputs with included adapters
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Input sensitivity: High level: 250mV-10V
  • Frequency Response: 10 - 280 Hz (±3dB)
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ration: 80dB
  • Variable low-pass filter: 40- 280 Hz
  • Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
  • Fuse Rating: 40A x 2
  • 4 - 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 9-11/16"W x 11-15/16"L x 2-9/16"H
  • Authorized Internet Dealer
  • 90 Day Manufacturer's Warranty

Check out the JBL GTO Monoblock Amplifiers' Owner's Manual


Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

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Average Attribution Rating

Browse 1 question and 16 answers
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Why did you choose this?
Sonic Electronix Store
Ive never owned a JBL product but i know that they are a company to take seriously. my friends use JBL subs and/or amps and im even blown away by what it can do.
i read they are teamed with Harmon so that is also a plus. im buying this amp to power a Alpine Type R 15, 2 ohm which will have a final impedance of 4 ohms.oh and its also a tad bit on sale. for the price, id say its prob the best value for the quality and output compared to similar products at the same price range. for sure
Dave S on Dec 4, 2015
Reviews are great and it fits my needs perfectly.
Kevin W on Nov 6, 2015
price and reviews
anthony c on Nov 23, 2015
It looks like a reliable and nice product that fit the needs of my subs.
Zach V on Oct 7, 2015

Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JBL GTO-751EZ