T-7707BG

PA Systems — Public Address · 77 Series

It is widely been installed in 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 2-20W , 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 Master / standby switch time less than 0.3 seconds, and the standby/main switching time is less than 0.3 seconds when the network is powered on.
• 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 simulation audio signal backup module, it supports 100V signal input. It can switch into simulation audio 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 (
• 2.4G mic supports volume adjustment function.
• It realizes the encryption transmission and the receiver supports the automatic sweep frequency function to avoid the interference easily.
• 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.
• Charging function, with charge management, support to charge when working, TYPE-C socket for charging, general mobile phone charger.
• 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:
• 1) Network voice alarm has higher priority than AUX and Network BGM.

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