Feature:* Designed with a 7-inch touch screen, it supports the display of board status information in the system: working status, zone status, current monitoring status, etc.* Plug-in card design: it supports the access of multiple functional boards, supports mixed plugging and hot swapping of boards, and is used for system extension functions.* Su..

Feature:* Receive the scheduling commands to collect audios and play them to the designated areas.* Receive the scheduling commands to output the corresponding audio signals.* Interact with the external system through RS422, and realize the forwarding of external system commands.* Interact with the external system through RS485, and realize the for..

Feature:* Display the board status information of the system: working status, zone status, current monitoring status, etc.* Support PTT emergency microphone: PTT status detection, PTT all zones paging, PTT input sensitivity adjustment.* LED indicator: display the working status and failure status of the equipment.* Zone monitoring: support the end ..

Description:Applied to airport PA system, the noise detection probe is used to pick up the noise in the use environment and transmit it to the noise detection card of the PA system to realize the environmental noise pickup.Feature:* Probes can be connected in series or in parallel; each channel can connect ≤16 digital probes.* The sampling frequenc..

Specification：ModelVA-710APower Taps @100V15W, 30WPower Taps @70V7.5W, 15WImpedanceBlack: Com/White: 330Ω/Green: 670ΩSPL113dB±3dBFrequency Response300-18KHzFinishBaffle: ABSSpeaker Driver5" x 1IP RateIP x 6Dimensions360 x 165 x 275mmWeight3.1KgMountingWith mounting bracket fixed by screw..

High-grade wide frequency horn speaker, 2 frequency division design, fixed resistance and fixed voltage and multiple power choices. Suitable for railway station, bus station, large square, etc.Specification：ModelVA-710KPower Taps @100VRed: 12.5W, Green: 25W, White: 50WPower Taps @70VRed: 6.25W, Green: 12.5W, White: 25WImpedanceBlack: Com/800Ω/400Ω/..

* Wide frequency domain waterproof speaker with strong sound penetration and wide coverage.* Application: square, train station, etc.Specification：ModelVA-720APower Taps @100V15W, 30WPower Taps @70V7.5W, 15WImpedanceBlue: Com   Green: 670Ω  White: 330ΩSPL(1W/1M)103dB  ±3 dBMax. SPL (Rated W/1M)117dBFrequency Response (-10dB)300-..

* Wide frequency domain waterproof speaker with strong sound penetration and wide coverage.* Application: square, train station, etc.Specification：ModelVA-720BPower Taps @100V7.5W, 15WPower Taps @70V3.75W, 7.5WImpedanceBlack: Com   White: 1.3KΩ  Green: 670ΩSPL(1W/1M)103dB  ±3 dBMax. SPL (Rated W/1M)115dBFrequency Response (-10dB..

Specification：ModelVA-720GPower Taps @100V15W, 30WPower Taps @70V7.5W, 15WImpedanceBlack: Com   Green: 670Ω   White: 330ΩSPL(1W/1M)300-13KHzFrequency Response102dB  ±3dBFinishBaffle: Aluminum, WhiteIP RateIP x 6Dimensions245 x 245 x 300mmWeight2.4KgMountingWith mounting bracket fixed by screw..

Specification：ModelVA-720RPower Taps @100V15W, 30WPower Taps @70V7.5W, 15WImpedanceBlack: Com   Green: 670Ω   White: 330ΩSPL(1W/1M)102dB ±3dBMax. SPL (Rated W/1M)118dBFrequency Response (-10dB)300-13KHzFinishBaffle: Aluminium, Rare Cover: ABS,  WhiteIP RateIPx6Dimensions245 x 245 x 290mmWeight1.9KgMountingWith stainless mou..

Specification：ModelVA-720XPower @100V15W, 30WPower @70V7.5W, 15WImpedanceBlack:COM, Green: 670Ω, White:330ΩFrequency Response300-13KHzSPL102dB±3dBIP RateIp×6Explosion proof gradeEX nA II T5 GcDimension247×247×290mmWeight2.1Kg..

Specification：ModelVA-770EPower Taps@100V7.5W,15WImpedanceBlack:COM,White:1.3KΩ,Green:670ΩMaximum SPL84dBSensitivity75dBFreq Response150-14KHzCoverage angle 500Hz360°  Coverage angle 1KHz170°  Coverage angle 2KHz95°  Coverage angle 4KHz60°  Dimensions170×170×270 mm  Weight1.37 Kg..

Specification：ModelVA-770TPower Taps @100V5W, 10W, 20WPower Taps @70V2.5W, 5W, 10WImpedanceBlue: Com  Green: 2 KΩ  Yellow: 1KΩ  Red: 500ΩSPL(1W/1M)92dBMax. SPL (Rated W/1M)105dBFrequency Response (-10dB)110-15KHzFinishBaffle: Aluminum, White     Grille: Steel, WhiteSpeaker Driver6" x 2IP RateIP x 6Dimensions172 x ..

Descriptions:* Material: plastic* Features: Indoor high-grade wall mount speaker, multi-power constant resistance constant pressure choice, modern arc design, 2 frequency division design, cost-effective, easy to install. Applicable to hotels, conference halls, etc.voice message.* EN54-24 certification is under taken.Specification:ModelVA-774H/VA-77..

Specification：ModelVA-780Power Taps @100V7.5W, 15WPower Taps @70V3.75W, 7.5WImpedanceBlack: Com/White: 1.3KΩ/Green: 670ΩSPL(1W/1M)100dBMax. SPL (Rated W/1M)112dBFrequency Response (-10dB)100-20KHzFinishBaffle: Aluminum, WhiteSpeaker Driver5" x 1Dimensions150 x 190mmWeight2.35KgMountingWith mounting bracket fixed by screw..