If you want, class, hi-power and performance? Look no further, the Viper Bass Head 500 is the answer. With massive power, it will out stage any competition. Interfacing passive and active inputs compliment different bass circuit designs and its incontestable 9 Band switchable Graphic with its 3 Band fixed EQ allows you to fine-tune for that jam-packed bass performance. Multi-output interface meets different output requirements and patch bay includes Effects Loop. Forced air-cooling keeps the 500w of muscle cool with power- amp clipping indication by Clip Light on the front panel.