Sales and pre-sale assistance: 1-800-336-4525
Technical help: 1-800-336-4525
Parts and accessories: 1-800-336-4525
The JBL® GTO-504EZ four-channel amplifier provides unmatched ease of installation, configuration and calibration for clean, powerful sound. It connects to OEM or aftermarket systems without complicated adapters or setup routines. Use line-level (RCA) signals or speaker-level signals with RCA-to-bare-wire adapters – everything you’ll need is included in the box.
Warranty: 1 Year Warranty
Your model might be eligible for direct factory exchange under our warranty program. If so, and if you purchased your product online or from an authorized local retailer, you may use this form to request an exchange. Purchases made from an unauthorized dealer will not be eligible for exchange.
Products under warranty may qualify for an exchange with a valid receipt.
Products out of warranty need to be serviced by a JBL-approved service center. Please call 1-800-336-4525 to find authorized service centers near you.FIND LOCATIONS
|Number of Channels/Type||4|
|4-Ohm Power Output||50W RMS x 4 channels at 4 ohms, 14.4V DC, <1.0% THD|
|2-Ohm Power Output||75W RMS x 4 channels at 2 ohms, 14.4V DC, <1.0% THD|
|Maximum Current Draw||40A|
|USA Warranty Length||1 Year Warranty|