Functional features

1. Adopt the modular clasp structure to support the superposition of functional modules. Different modules can be selected according to the user's demands for functional realization;

2. The connection between the modules is carried out through the low impedance 12K gold connector, the single needle through the current up to 2 amperes

3. the use of FCS communication technology, easy to achieve convenient management and flexible control

4. the box adopts a unique sound surface sound structure design, sound direct Angle >
240°, the sound source coverage area is not less than 100m², the recommended use area of 80m²

5. Adopts 3 class D amplifiers with independent configuration and preprocessing to complement each other with the same cavity sound source, which can effectively improve sound efficiency and improve sound quality.

6. Built-in network module, access to switch network, provide data link information upload.

7. The system uses microcomputer technology to cooperate with FCS to complete a variety of complex logic, and provides priority processing authority for manual priority, automatic priority and network priority in three different working environments.

8. the box can be extended access to all modules in the FCS protocol: with one division and one mike module, to achieve at least 2 microphone wireless sound amplification and 1 Bluetooth two-way audio amplification, support echo cancellation;
With network audio decoding function, to achieve the classroom IP network broadcast function, support listening broadcast double backup function;
With ZigBee IoT control function, it provides the classroom with IoT gate;
With the docking function, support the wireless expansion of the number of 1 to 4 speakers, to meet the needs of large multimedia classroom sound amplification, to meet the needs of 300 square sound amplification;
Expansible environmental monitoring module, to achieve real-time monitoring of classroom air quality, temperature and humidity, illumination and other environmental data;
Extensible wireless projection module to achieve the application of wireless projection of computers, mobile phones and tablets in the classroom;
Extend all functional modules that support the FCS protocol.

9. Built-in IC card information backup card slot, support all function modules of the speaker configuration information backup and automatic restoration of configuration information;

Box interface: DC12V6A;
LINE, 100 constant voltage audio, LC card socket, RJ45 network port

Physical parameters:
Unit combination: 15W3.25 inch full frequency ×3;
Sensitivity: 85dB;
Distortion:2%;
SNR: 70dB;
Frequency response: 90Hz ~ 16KHz;
Power amplifier no signal delay silence period: 0.5 seconds;
Effective projection Angle: 280°;
Effective projection distance: installation height 2.5 ~ 3.2 meters

Interface configuration
1. Ergonomic design, in line with adult palm grip curve, environmentally friendly surface treatment, good hand feel, fully reflects the designers' full respect for teachers.
2, The microphone adopts infrared close range automatic frequency calibration, the frequency speed is no more than 1s, the frequency calibration process is not interfered by the high-frequency driving light source;
3, using passive fixed frequency technology to lock the communication frequency band, so that it has no external crosstalk ability;
4, using digital U segment professional performance audio wireless transmission technology,
High noise reduction degree;
5, the use of digital U segment transmission technology software PPT page turning function, with the use of building block speakers without adding hardware can achieve synchronous page turning function;
6, using USB-C standard charging interface
7, any wireless microphone can be used in any classroom, fully realize one teacher and one mic;
8, Support external audio source/MIC access, easy access to headgear, collar clip, shoulder microphone
9, Adopt touch control design, with vibration feedback system, convenient to achieve volume, page turning and channel switching functions
10, The internal 1000mA lithium battery power supply, continuous working time up to eight hours
11. The microphone uses the right-click wake-up function, which can effectively avoid the occurrence of accidental touch
12, the right button sluggish shutdown function, avoid the storage of accidental extrusion boot, effectively protect the life of the battery
13, provide volume, power alarm, audio channel, and other display functions
Packing size: 32×22×18CM
Weight: 5 kg