BS300/300U/500/500U
BS300/300U/500/500U
high & low gain inputs
pre and post-gain input
contour bright&punch switch
7-band graphic EQ in/out switch
high and low sheling EQ controls
chorus effect loop
headphone jack
cast alloy-frame 15" speaker
BS300/300U MAX300W 4Ω
BS500/500U MAX400W 4Ω
(BS300U/500U with USB)