Tour 450 Bass Head 584100The Peavey Tour 450 Bass Amp Head offers tons of power plus extensive tone shaping tools, such as bright and low cut switches, active high and low shelving controls, a contour control, and a 9 band graphic EQ configured to target critical bass frequencies. Its also includes a Peavey exclusive sub harmonic generator with level control and footswitchable bypass that adds a note one octave lower than the original note, creating interesting harmonic