WI-202 window interphone features:1) Completely automatic duplex talk back2) The user can separately adjust the sensitivity of the mainframe and extension3) It is sonorous and clear with low backflow4) Power source DC6V is providedWI-202 specifications:1) Output power: 2W2) Frequency response: 200Hz-12kHz±3dB3) Mainframe: N.W.: 0.51kg, extension N.W.: 0.26kg4) Mic shank length: 450mm5) Mainframe dimensions: 152 x 60 x 60mm, extension dimensions: 152 x 60 x 60mm6) Power supply: AC 220V/50-60Hz, DC12V7) AC power consumption: 10WWS-0140W/B, DS-0115LW/LB, DS-0115DW/DB features:1) Kinds of installation are provided together with different kinds of bracket to suit many locations.2) WS-0140W/B: outdoor speaker, multi-class of power option (70V, 100V) and 8 ohms constant impedance input3) DS-0115LW/LB: constant impedance speaker, to match DS-0115D digital speaker series or to be used separately (8 ohms constant impedance input)4) DS-0115DW/DB: digital speaker, with decoding and digital amplifier inside. To match CCA-15D, the user is able to separately broadcast by the amplifier and speaker of itWS-0140W/B, DS-0115LW/LB, DS-0115DW/DB specifications:1) Speaker caliber: 4.5"2) Rated power: WS-0140W/B (40W at 100V), DS-0115LW/LB (15W), DS-0115DW/DB (15W)3) Max. power: WS-0140W/B (60W), DS-0115LW/LB (20W), DS-0115DW/DB (20W)4) Digital amplifier/decoding inside: WS-0140W/B (no), DS-0115LW/LB (no), DS-0115DW/DB (yes)5) Optional power: WS-0140W/B (40, 30, 20, 10, 5W, 40W), DS-0115LW/LB (--), DS-0115DW/DB (15, 12, 9, 6, 3W, off)6) Input impedance: WS-0140W/B (250, 333, 500, 1k, 2k ohms, 8 ohms), DS-0115LW/LB (8 ohms), DS-0115DW/DB (--)7) Frequency response: 80Hz-20kHz8) Sensitivity: WS-0140W/B (88dB), DS-0115LW/LB (90dB), DS-0115DW/DB (90dB)9) Sound pressure level (1m): WS-0140W/B (104dB), DS-0115LW/LB (101dB), DS-0115DW/DB (101dB)10) Body size: 200 x 15 x 290mmOuter packing:Carton dimensions: 478 x 342 x 580mmUS-0130 underwater speaker features:With water as the medium, US-0130 speaker is made by special structure to issue very clear sound. With its clipper-built design and tight structure to bear powerful water pressure, it is able to be used in swimming pool, aquarium and ocean research centers.US-0130 specifications:1) Rated power: 15W2) Max. power: 20W3) Environment temperature: -30 ~ +90°C4) Impedance: 8 ohms5) Effective frequency range: 80-20kHz6) Sensitivity (1W/1m): 105dB7) Spreading range(-6dB, 1,000/4,000Hz): 180/180 (wall)
CCA-15P/3 classroom amplifier feature:The classroom broadcast system outputs at 8 ohms by a 15W power amplifier and inputs by 1-channel MIC and 3-channel AUX with separate adjusting the volume of each
Made of aluminium and wood, our wonderful column speakers are widely used in meeting rooms, gym houses, stadium, gardens, schools, public playgrounds, supermarkets, stations, etc location of various k
Made of aluminium and wood, our wonderful column speakers are widely used in meeting rooms, gym houses, stadium, gardens, schools, public playgrounds, supermarkets, stations, etc location of various k
CS-3800 digital PA system feature:1) Operated by touch screen; designed with entire intellectualized operation platform, visual menu interface, man-equipment conversation interface; easy to learn to c
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