Item dimensions L x W x H 10.25 x 8.8 x 2.1 inches Manufacturer autotek Mounting Type Surface Mount Brand Autotek Number of Channels 4 Class A/B MOSFET Four Channel Amplifier Peak Power: 4x300 @ 2 Ohms, 4x150 @ 4 Ohms, 2x600 Mono Bridged @ 4 Ohms Frequency Response: 10Hz-20kHz, Built in switchable bass control: 0/+6/+12dB...