Description:
It is widely applicated to ordinary classrooms, office, meeting rooms, prisons, hospital departments, subway and other places that need to broadcast recorded voice files or background music.
Features:
*  Professional integration wall mounted design, the speaker case subjects to sound resonance principle design concept, with delicated appearance.
*  Adopted embedded computer and DSP audio processing technology
*  Built 1 channel network hardware audio decoding module that supports TCP/IP, UDP protocol for network transmission 16 CD-quality stereo audio signal.
With 1 AUX input, independent volume potentiometer control
* Support 2.4G wireless audio module can be expanded to realize local amplification of the 2.4G wireless microphone.
* Support connecting with Bluetooth receiver to receive Bluetooth audio for local sound broadcasting.
*  Built-in 2 x 20W stereo power amplifier module, one channel connect with main speaker and the other channel connect with assistant speaker, Sound is smooth, power is strong, support network volume adjustment.
*  Support routers, switches, bridges, gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other network structure.
*  Digital products, easy to expand, without geographical restrictions, no additional room management equipment, adopts network free line construction design, which is much convenient to install.
*  It supports remote hardware upgrade of the terminal, no need go to upgrade at the local site, to reduce maintenance burdens and make more simple operation.
*  Built-in Level 2 priority function design:
AUX is the same level as the network background music signal, mixing output.
Network alarm signals give priority to AUX and network background music signals.
Specifications:
| Model | T-7707A | 
| Network Interface | Standard RJ45 input | 
| Transmission Speed | 100Mbps | 
| Protocol | TCP/IP, UDP | 
| Network protocol | Support IPV6, IPV4 network protocol | 
| Audio Format | MP3 | 
| Audio Mode | 16 bit stereo CD sound quality | 
| Sampling Rate | 8KHz~48KHz | 
| Bit Rate | 8Kbps~512Kbps | 
| Frequency Response | 150Hz~16KHz(+1/-3dB) | 
| Output Power | 2×20W(MAX) | 
| THD | ≤1% | 
| SNR | >65dB | 
| Total Power Consuption | ≤50W | 
| Working Temperature | 5℃~40℃ | 
| Working Temperature | 20%~80% relative humidity, no condensation | 
| Input Power | ~190V-240V 50-60Hz. DC12V (With adapter) | 
| Dimension | 137×125×250mm | 
| Weight | 1.88kg |