JBL GTO 804 80-Watt X 4 High-Performance 4-Channel Amplifier
The JBL GTO high-performance amplifier series includes multi-channel and system amps as well as mono subwoofer amplifiers, and each model has built-in test equipment for perfect setup. What's more, variable crossover and bass boost with precise and clearly marked frequency dials provide easy customization. So whether you're upgrading a factory system or assembling a custom one, GTO amps provide top performance backed by the JBL brand's reputation for top quality.