This portable bass amplifier head delivers a massive 600 watts of thunder!  COBALT 600 was designed for the bass player who needs both great tone and stunning performance in one light weight package. The COBALT 600 uses Kustoms proprietary power amplifier platform to achieve phenomenal tone and EQ flexibility. This powerful head features a built-in limiter that monitors the voltage rails ensuring your sound will not encounter any harsh switching distortion while retaining great tone at loud volumes. The preamp features Gain, Drive (distortion), Bass, Low Mid, High Mid, Treble and Master Volume controls giving the player extreme versatility. The back panel features an XLR balanced line output (DI volume knob, pre, post and ground lift switches) effects loop, footswitch jack (mute & drive), tuner in jack and two Speakon  speaker output jacks. The COBALT 600 is the perfect option for the serious bass player.