PRODUCT
IR-S2
IR Classroom Soundfield System
FEATURES
The system installs easily — just connect a power cord to enable the fundamental functionality.
Once powered on, the system enables instant voice reinforcement, giving teachers full flexibility and freedom to deliver instruction
With a USB audio interface built in, the speaker supports hybrid teaching, allowing online students to hear and engage like those in person. Moreover, class sessions can also be recorded for review.
The system also supports integration with third-party central controllers for remote monitoring and process control.
Category:
Description
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| Built-In Modules | DSP tone adjuster, Class D Digital Amplifier,IR Receiver&Sensors,Feedback Suppressor, Speaker |
| Speaker Units | 2x4" |
| Infrared sensing diode | 24x Ultra-wide-angle multi-array infrared sensing diode |
| Infrared Wireless Channels | 2x IR Microphones and 1x IR wireless presenter |
| Frequency Response | 50Hz~20KHz（±3dB） |
| THD | 0.05% |
| S/N | 78dB(MIC), 80dB(LINE), 98dB(IR MIC) |
| Working Area | ≤100㎡ |
| Dynamic Range | 100dB |
| Frequency Stability | ±0.005%(-10℃~40℃) |
| Rated Power | （8Ω）30W |
| Input Sensitivity | 1.5mV(MIC),150mV(LINE) |
| Input Impedance | 2KΩ (MIC);47Ω(LINE) |
| I/O Interface |
1x RJ45(connect expansion infrared sensor); 1x RCA Audio In; 1x USB Digital Sound Card; 1x Mixing Audio Out; 1x Independent Microphone Out 1x RS-232 terminal (4 pins) 1x 1/4'' MIC In (48v) 1x Expansion speaker terminal |
| Housing material | Aluminum alloy |
| Dimension (mm) | 147.3(L)×149.7(W)×475(H) |
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