Technical parameters:
1. 5.5-inch unit + with treble;
2. Material: exquisite wood
3. Supported protocols: TCP / IP, UDP
4. Audio format: MP3
5. Audio mode: 16 bit CD sound quality
6. Sampling rate: 8kHz ~ 48Khz
7. Network interface: Standard RJ45 input, transmission rate: 100Mbps
8. Frequency response: 80Hz ~ 16KHz + 1 / - 3dB
9. Harmonic distortion: ≤ 1%
10. Signal to noise ratio: ＞ 65dB
11. Power consumption of the whole machine: ≤ 25W
12. Protection circuit: overload and short circuit protection circuit
13. Working environment temperature: 5 ℃ ~ 40 ℃
14. Working environment humidity: 20% ~ 80% relative humidity, no condensation
15. Working power supply: DC12V
16. 1-way local volume point regulator
17. Power amplifier mute processing, 0 noise output when music is not played
18. With 2 * 15W power amplifier, one 15-20w auxiliary box can be connected externally
19. Size: 290 * 200 * 180mm
20. Weight: 2.5kg
Product introduction
It is suitable for playing and recording voice files or background music programs in ordinary classrooms, multimedia classrooms, offices, conference rooms, prisons, hospital departments, subways and other places. At the same time, it can also be used as local broadcast and public address.
Product features
1. Professional integrated wall mounted speaker design, and the box conforms to the design concept of sound resonance principle; Very beautiful and generous.
2. The equipment is designed with embedded computer technology and DSP audio processing technology.
3. Built in 1-channel network hardware audio decoding module supports TCP / IP and UDP to realize networked transmission of 16 bit CD audio signal.
4. Built in 2 x 20W (max) dual channel digital power amplifier, one is connected to the main speaker and the other is connected to the auxiliary speaker; The sound quality is very delicate and the power is strong; With network volume settings.
5. It has independent volume potentiometer control and supports the local paging function of network disconnection; At the same time, it supports the preset reduction function of silence intensity and the preset function of background style.
6. Compatible with any network structure such as router, switch, bridge gateway, modem, Internet, 2G, 3G, 4G, etc.
7. Digital products are easy to expand and are not limited by geographical location. There is no need to add computer room management equipment. The design concept of common network and line free construction is adopted, and the installation is simple.
8. Support the broadcast system to upgrade the remote firmware of the terminal without local upgrade to the terminal, so as to reduce the work intensity of maintenance personnel;
9) With 1 channel of lotus seat local audio input interface, 1 channel of local 6.5 microphone interface and 1 channel of lotus seat local audio output interface
10) It has level 2 Audio priority, and network audio and microphone audio are the most priority
11) Optional 2.4G wireless microphone for teaching (optional, not included in the quotation)
12) Independent adjustment with 3-way volume potentiometer
13) With 100V analog constant voltage backup function
