BS1500U/1800U
BS1500U/1800U
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
with inside USB/SD card MP3 playing system
with remote controller
cast alloy-frame 15"/18” speaker
BS1500U: MAX300W 4Ω
BS1800U: MAX450W 4Ω