DB Drive A5125.4 Okur A5 Series 4-Channel Class AB Amplifier: * 600W max * 2- and 4-channel 2 ohms stereo capability * DRIVESINK heat management system * Buffered pre-amp input circuitry * Continuously variable 12 dB high pass crossover * Continuously variable 24 dB low pass crossover * Continuously variable 18 dB bass boost at 45Hz * Direct-connect integrated speaker and power wire terminals * Full range RCA line outputs for easy daisy chain RCA configuration * Variable input level control * DC-DC PWM power supply * DC short circuit protection * 4-gauge power cable inputs * 125W x 4 at 4 ohms * 200W x 4 at 2 ohms * 125W x 4 at 4 ohms * 300W x 2 at 4 ohms bridged