Okayo
Okayo EJ-502IR (Infrared)
Secure infrared audio for fixed venues.
Infrared light doesn't pass through walls, so an EJ-502IR conversation physically cannot leave the room — no eavesdropping from next door, and no interference coming back the other way. A dual-channel 1/4 U rack receiver that needs no frequency planning and no licence.
Quote-based — no online checkout. We'll spec quantities and options for your use-case.
At a glance
Key features
- Two infrared microphone channels
- Audio cannot pass through walls — it stays in the room
- No frequency planning and no licensing
- Individual volume control per microphone
- Mic/line output switching
- 1/4 U rack-mount receiver
Best for
Confidential briefingsCourtrooms & boardroomsTraining rooms
Specifications
- Carrier frequency
- 2.3 MHz (Ch. A) · 2.8 MHz (Ch. B)
- Infrared wavelength
- 850 nm
- Reception range
- ≈20 m (high) / 15 m (low), line of sight
- Frequency response
- 70 Hz – 10 kHz
- Dynamic range
- 110 dB
- Dimensions
- 200 × 115 × 45 mm
- Weight
- 750 g
Manufacturer specifications. Frequency bands and channel counts vary by region — we'll confirm the correct variant for South Africa with your quote.
Interested in the Okayo EJ-502IR (Infrared)?
Tell us your quantities and use-case and we'll put together a tailored quote — to buy or to rent.