DB DRIVE A7125.4 Okur A7 Series 4-Channel Class AB Amplifier Output Power rated @ 14.4 volts: 4 x 125 Watts @ 2 Ohm & 4 x 350 Watts @ 1 Ohm & Bridged 2 Ohm 4 x 250 Watts 2 Ohm Stereo Capability Continuously Variable Low Level RCA Inputs DRIVESINK -Heat Management System Continuously Variable Bass Boost @ 45Hz 2 stereo capability Continuously variable low level RCA inputs Large gauge power input terminals DRIVESINK heat management system 18 dB per octave high pass & low pass crossover network