JBL GX-A604 – 4 channel

Number of Channels: 4 channels
4-Ohm Power Output: 60W rms x 4, <1% THD+N 2-Ohm Power Output: 85W rms x 4, <1% THD+N Bridged Power Output: 170W x 2 into 4 ohms Total Peak Power Output: 435W Signal-to-Noise Ratio: 93dB (ref rated output @ 4 ohms) Frequency Response: 20Hz−20kHz ±1dB THD+N: <1% Input Sensitivity: 200mV−20V Variable Bass Boost: 0 to +12dB @ 45Hz Dimensions (L x W x H): 300mm x 206mm x 52mm (11-13/16" x 8-1/8" x 2-1/16")