IR-901 Three-Channel Infrared Receiver
A three-channel infrared receiver for upgrading existing classroom audio. It adds two microphone channels and a presenter remote, with a built-in sound card and camera input for hybrid teaching.
- Connects to existing amplifiers and speakers for a rapid classroom upgrade.
- Three channels support two infrared microphones and one page-flipping controller.
- Built-in USB digital sound card and USB camera input.
Overview
Key features
- Connects to existing amplifiers and speakers for a rapid classroom upgrade.
- Three channels support two infrared microphones and one page-flipping controller.
- Built-in USB digital sound card and USB camera input.
- IPM power management wakes microphones on movement and extends battery life.
- Six selectable frequencies with <0.05% THD and 100 dB S/N.
- Line and microphone inputs, including one 48 V phantom-power input.
The receiver is designed to slot into an existing classroom audio chain, whether that means a legacy amplifier, a new DSP or a campus-wide control system.
The receiver integrates with existing classroom amplifiers and speakers, and can be combined with Seekika infrared sensors for larger rooms. Contact Seekika Audio for a system diagram.
What’s in the box
- IR-901 receiver
- Power adapter
- Rack-mount hardware
- User guide
Specifications
Audio & wireless
| IR Wireless Channels | 3 channels |
|---|---|
| Selectable channels | 6 |
| Frequency response | 50 Hz-20 kHz±3 dB |
| THD | <0.05% |
| Signal-to-noise ratio | 100 dB |
Connectivity & control
| Interface | Line in 2 × ; Mic in 2 × (1 of which is with 48 V phantom power); |
|---|
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-901 designed for?
The IR-901 is typically installed in classroom, training room, hybrid learning, campus upgrade. 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-901 support?
The IR-901 offers 6 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 certifications and warranty are available for the IR-901?
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
