BL-10 Two-way FullRange LoudSpeaker Systems BL-10 of 5.S brand is a two-way multifunction full range loudspeaker system, The design of BL-10 is balance back oriented, equipped with rectangular aluminum horn that can be adjusted with a range of 90°*60°. It is embedded in a 10" ultra-low distortion unit and 1" horn compression driver unit. As a two-way systems, BL-10 can be driven directly and also can match two channel power amplifier systems to achieve the ultimate high output. BL-10 of 5.S brand can provide to KTV, night clubs, clubs and corporate activities profession sound solutions.