DB DRIVE A3 850.1D 850-Watt OKUR A3 Series Monoblock AMP • 850W Max • 1Ohm Mono Capability • Class Ab • Audiophile-Grade Components • 18Db Per Octave Low Pass Crossover • Dc Short Circuit Protection • Variable Input Level Control • Continuously-Variable 18Db Bass Boost • Buffered Preamp Input • High-Efficiency Mosfet Design • Subsonic Filter • Drivesink Heat Management System • Includes Bass Remote