IR-S1 Infrared Classroom Soundfield System
A compact soundfield bar with two 4-inch speakers, 30 W amplification and a 24-diode infrared sensor array. It covers rooms up to 100 m² and supports two microphones plus a presenter remote from a single powered enclosure.
- All-in-one design with IR receiver, 24-diode sensor array, feedback suppressor, amplifier and speakers.
- Two infrared microphones and one presenter remote can operate simultaneously.
- 30 W rated power with two 4-inch speaker units.
Overview
Key features
- All-in-one design with IR receiver, 24-diode sensor array, feedback suppressor, amplifier and speakers.
- Two infrared microphones and one presenter remote can operate simultaneously.
- 30 W rated power with two 4-inch speaker units.
- Built-in USB digital sound card for recording and online broadcasting.
- RS-232 control and RJ45 expansion port for an additional infrared sensor.
- Covers classrooms up to 100 m²; medium-density fibreboard housing.
The system is part of the Seekika Audio infrared range and can be paired with pendant, handheld and presenter microphones, plus matching charging hardware.
The system is supplied with mounting hardware and can be specified with pendant or handheld microphones. Contact Seekika Audio for room sizing and installation support.
What’s in the box
- IR-S1 soundfield main unit
- Power cord
- Wall-mounting hardware
- Installation and user guide
Specifications
Audio & wireless
| Built-in modules | DSP tone adjuster, Class D Digital Amplifier, IR Receiver&Sensors, Feedback Suppressor, Speaker |
|---|---|
| Speaker units | 2 × 4" |
| Infrared sensing diode | 24x Ultra-wide-angle multi-array infrared sensing diode |
| Infrared channels | 2x IR Microphones and 1x IR wireless presenter |
| Frequency response | 50 Hz–20 kHz(±3 dB) |
| THD | 0.05% |
| Signal-to-noise ratio | 80 dB (LINE), 98 dB (IR MIC) |
| Dynamic range | 100 dB |
| Frequency stability | ±0.005%(-10℃–40℃) |
Power & charging
| Rated power | (8Ω) 30 W |
|---|---|
| Input sensitivity | 1.5 mV(MIC), 150 mV(LINE) |
| Input impedance | 47Ω(LINE) |
Connectivity & control
| Inputs & outputs | 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) |
|---|
Coverage & installation
| Working area | Up to 100 m² |
|---|
Physical
| Housing material | Medium Density Fiberboard |
|---|---|
| Dimensions | 600(L) × 167.5(W) × 125(H) |
Applications
Planning a classroom or campus project?
Share your floor plan and room schedule — we will recommend microphone coverage, speaker placement and kit configuration.
Frequently Asked Questions
Which rooms is the IR-S1 designed for?
The IR-S1 is typically installed in classroom, primary & secondary school, training room, hybrid learning. Room size, ceiling height and speaker layout determine the final configuration — send us a floor plan and our team will recommend a layout.
How many infrared channels does the IR-S1 support?
The IR-S1 offers 2 selectable infrared channels. Several microphones can operate in the same room on separate channels; match each microphone and receiver to the same channel to avoid cross-talk.
What coverage does the IR-S1 provide?
The rated coverage is Up to 100 m². Infrared coverage depends on sensor placement and room geometry; an expansion sensor can be added where the room has shadowed areas.
What certifications and warranty are available for the IR-S1?
Seekika Audio supplies CE, RoHS and FCC compliance documentation for its classroom audio products. Classroom audio products carry a standard 2-year warranty against manufacturing defects, with extended coverage available on project orders.
- OEM / ODM customization
- CE, RoHS & FCC documentation
- System layout and commissioning support
- Reply within one business day
Related products
IR Classroom Soundfield System
AI Infrared Sound Reinforcement System
Wireless Classroom Audio Kit
Expandable Classroom Audio Kit
Six-Channel Classroom Kit
Classroom Audio Upgrade Kit
All-in-One Classroom Audio Kit
