BS Series | BS221  | BS318  | BS218  | BS215  | BS212  | BS112  | BS280 |
                  | BS250  | BS180  | BS150  | BS320  | BS210/BS286  | BS820  | 
BS212 is a subwoofer which uses 3 cavity bandpass design.loading 2 x12 "low frequency drive unit, each low frequency drive have independent cavity.Two paper cone work together in front of the third open cavity, which greatly improve the system efficiency,and effectively reduce the distortion. BS212 as other sound system of supplement,as ultra low frequency array, it only could be stacked on the ground routinely. BS212 uses multilayer birch plywood to make the enclosure, with elastic coating or environmental protection coating shell. The front panel use metal mesh enclosure stick acoustic soft sponge as the speaker's protection. M20 supporting base for other full range speaker both on top and side plate. Side plate combine 4 handles and wheel plate buckles,also dispose with 16 pulley mounting screw in rear panel. Terminal is disposed with NL4 parallel connection, and the switch botton for bi-amp or single-amp drive. When more than one BS212 stacked together, there are 4 rubber pads at the bottom of each speaker could be embedded to the groove of others, in order to aviod sliding.
■ 2 x12 "subwoofer system
■ three-cavity bandpass technology
■ enormous power, excellent transient response
■ extremely low distortion, ensuring ultra low frequency clarity
■ optional bi-amp or single-amp drive
■ optional wheel plate transportation
■ stackable
■ Disco, dance halls, clubs
■ Nightclubs, karaoke rooms
■ Large government and enterprise activities
■ Mobile and fixed installation install
Frequency Response
Nominal Impedance
Power Handing
Maximum SPL
Crossover Frequency
50 Hz - 126 Hz @(±3 dB)
103 dB SPL (1W @ 1m)
4 ohms
800 watts, 1600 watts, 3200 watts
128 dB
120 Hz
Low Frequency
2 x 12(in) 380 mm dia, 2x75 mm(3in) voice coil dia
Enclosure Construction
Input Connectors
Dimensions H x W x D
Net Weight
18 mm birch plywood with structured
Wear-resistant textured black paint
Aluminiumpoli mount socket
NL4 x 2
380 mmx 830 mmx 645 mm
28 kg
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