


IR-205 Dual-Channel Infrared Receiver
A two-channel infrared receiver with a built-in feedback suppressor and RJ45 expansion for up to four sensors. It connects to an existing classroom amplifier, making it a practical way to add wireless microphones without replacing the audio system.
- Two infrared channels run two microphones simultaneously.
- Built-in feedback suppressor prevents howling in live rooms.
- Two RJ45 ports connect up to four infrared sensors for larger spaces.
Overview
Key features
- Two infrared channels run two microphones simultaneously.
- Built-in feedback suppressor prevents howling in live rooms.
- Two RJ45 ports connect up to four infrared sensors for larger spaces.
- High-fidelity audio output feeds existing classroom amplifiers.
- Six selectable frequencies and 100 dB signal-to-noise ratio.
- Compact chassis with two audio inputs and two outputs.
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-205 receiver
- Power adapter
- User guide
Specifications
Audio & wireless
| IR Wireless Channels | 2 Channels |
|---|---|
| Selectable channels | 6 |
| Frequency response | 50 Hz-18 kHz±3 dB |
| THD | <0.05% |
| Signal-to-noise ratio | 100 dB |
Connectivity & control
| Interface | RJ45 Port 2 × ; Audio Inputs 2 × ; Audio Outputs 2 × ; |
|---|
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-205 designed for?
The IR-205 is typically installed in classroom, training room, meeting room, campus. 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-205 support?
The IR-205 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-205?
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
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