*Professional integrated Ceiling-type network audio decoding speaker, built-in digital constant resistance power amplifier and high fidelity loudspeaker.*It can···

Voice short circuit triggers playback Horn 5W4-channel node triggers playback(Short circuit trigger playback).Each channel corresponds to one voice.DC12V power ···

Active Outdoor rainproof speaker 20w

IP Outdoor  Speaker 40W  Integrated design of digital network decoding module and column speaker, aluminum alloy waterproof and rust-proof shell ···

IP Outdoor  Speaker 60W  Integrated design of digital network decoding module and column speaker, aluminum alloy waterproof and rust-proof shell struc···

IP Outdoor  Speaker 80W  Integrated design of digital network decoding module and column speaker, aluminum alloy waterproof and rust-proof shell struc···