Variable HIGH & LOW Pass cross-overs
Variable Bass Boost
JBL GTO-1004e 4 Channel Amplifier comes
with Overload protection
Rear Bass Boost control
JBL GTO-1004e 4 Channel Amplifier is a 600-Watt 4-Channel Full-Range Amplifier with built-in variable electronic Crossover and variable Bass boost. The GTO1004 has been engineered to ensure optimum power delivery into numerous impedances with low distortion. It comes outfitted with a variable 12dB per octave electronic crossover allowing you to optimize system tuning based on speaker location and accompanying loudspeaker components.