PA Systems — Public Address · 77 Series
It is widely applicated to classroom, multi-media classroom, office, conference room, prison, hospital office, metro, and other places, to broadcast some background music, and to be used as local broadcast.
Features
- Professional integration wall mounted design, the speaker case designs is conform to sound resonance principle design concept, with excellent appearance.
- Adopt embedded computer and DSP audio processing technology
- Built-in one network hardware audio decoding module, it supports TCP/IP, UDP, to realize the network transmission of 16-bit CD-quality audio signals.
- Built-in 2 channel digital amplifier 2 x 20W , 1 channel to connect main speaker, the other to connect sub-speaker; with smooth and strong sound quality, and network volume setting.
- Built in high performance main/standby switching module, Off the net Power failure mian / standby switch time less than 0.3 seconds, Through network power on Main / standby switch time less than 0.3 seconds
- With 1 AUX input, independent volume potentiometer control, support offline local. paging function. Support mute volume preset and background music mix output preset
- Support connecting with Bluetooth receiver to receive Bluetooth audio for local sound broadcasting.
- Built-in 100v signal backup module, it supports 100V signal input to switch into 100V signal in case of network failure or power off, to achieve dual-line redundancy.
- Built in with 2.4G wireless audio module, Transmission frequency: 2.4000—2.53MHz, HIFI, good anti-interference ability. Support 2.4G wireless microphone for local broadcasting It has the highest 64K @16bit×2 in the field, and has HDCD sound effect. The sound delayed (<0.5ms).Frequency response: 80—16KHz.
- It will enter the pairing status automatically when turn on, after pairing successfully, it will have the prompt tone with indicator light to shift to the receiving status automatically.
- Connection distance of automatic pairing between the controller and mic is ≤3 m, pairing connection time ≤3 s.
- It realizes the encryption transmission and the receiver supports the automatic sweep frequency function to avoid the interference .
- 2.4G mic supports volume adjustment function. Built-in microphone reverb function. With laser pointer and PPT flip function.
- It has the charging function with charging management, supports charging and working simultaneously, TYPE-C socket for charging, general mobile phone charger.
- Built-in MP3 player function, 8GTF memory card. With recording function.
- The frequency distance (power) can be set by self.
- Working distance up to 10 meters. (depending on usage environment ).
- Built-in 2 priority level setting:
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