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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