DB DRIVE A6 1600.4 4 X 150-Watt OKUR A6 Series 4-Channel Class AB AMP • 4 X 150W Max • Class Ab • 2Ohm Stereo Capability • Audiophile-Grade Components • Continuously Variable 12Db Per Octave High Pass Crossover • Continuously Variable 24Db Per Octave Low Pass Crossover • Continuously-Variable 18Db Bass Boost • Buffered Preamp Input • High-Efficiency Mosfet Design • Subsonic Filter • Variable Input Level Control • Dc Short Circuit Protection • Drivesink Heat Management System