- Beijing BoShiYin Audio-Visual Technology Co., Ltd.
- Main products: Fire alarm and broadcasting system, Power amplifier, Ceiling speaker, Wall-mounted speaker
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All Products
- Cabinet loudspeaker, CTN:LB2-UC15-D1，LB2-UC15-L1，15W,LB2-UC30-D1，LB2-UC30-L1 ,30W,BOSCH
- Cabinet loudspeaker, CTN:LB1-UM20E-D,LB1-UM20E-L,20W，LB1-UM50E-D,LB1-UM50E-L,40W,BOSCH
- Pendant sphere loudspeaker, 10W, CTN:LBC3095/15，BOSCH
- Sound projector loudspeaker, CTN: LBC3094/15 10W ,LBC3941/12 6W，BOSCH
- PAVIRO Call center, CTN: PVA-15CST,PVA-15ECS,PVA-20CSE ，BOSCH
- PAVIRO System Router CTN: PVA-2P500 ，BOSCH
- PAVIRO System Router CTN: PVA-4R24 ，BOSCH
- PAVIRO System Controller CTN: PVA-4CR12 ，BOSCH
- PRAESENSA call station，CTN:PRA-CSLD，PRA-CSLW，PRA-CSBK，PRA-CSE，BOSCH
- PRAESENSA Multifunction power supply, large，CTN:PRA-MPS3，BOSCH
- PRAESENSA Amplifier, 600W 4-channel，CTN：PRA-AD604,PRA-AD608，BOSCH
- PRAESENSA System controller, large，CTN： PRA-SCL，BOSCH
- Ceiling loudspeaker, 6 W,ABS， 2"，CTN: LC5-WC06E4，BOSCH
- Ceiling loudspeaker, 6 W, 4"，CTN: LBC3951/12，BOSCH
- Ceiling loudspeaker, 24W, 8"，CTN:LBC3099/41，BOSCH
- Ceiling loudspeaker 6W metal with clamps，CTN:LHM0606/10，BOSCH
- Line array loudspeaker, 30W，60W，CTN:LBC3200/00，LBC3201/00，LBC3210/00，BOSCH
- Column loudspeaker, 20W，40W，CTN:LA1-UM20E-1，LA1-UM40E-1，BOSCH
- Cabinet speaker 6W flat black or white，CTN: LB10-UC06-FD，LB10-UC06-FL ，BOSCH
- Dynamic microphone, omni-directional，CTN: LBB9080/00 ，BOSCH
