product description:
Comply with international standards IEC 61603-7 and IEC 60914
Comply with the latest national standard GB 50524-2010
Compatible with other infrared simultaneous interpretation systems that comply with IEC 61603-7 and can be used cross-wise
Adopt DQPSK technology with independent intellectual property rights and related technologies with invention patents
Exquisite and beautiful appearance design, ergonomic
Lightweight, used with headphones, making the user relaxed and comfortable
Push-button channel selection, channels 4, 8, 12, and 16 do not interfere with each other
LCD displays channel, power, signal strength, mode status, etc.
16-level electronic volume adjustment
Fully digital infrared signal transmission, low noise, no cracking, wide dynamic range
Simple to operate and easy to carry
The receiving unit is powered by rechargeable batteries and ordinary AA alkaline batteries, and has a long working time.
The setting data has a power-off saving function
Within the effective range of infrared emission, there is no limit to the increase in the number of receiving units
There is no restriction on seating at the venue, and you can move around freely within the signal transmission range.
Adopt more user-friendly up/down channel adjustment buttons
When the headset is disconnected, it no longer consumes power. When there is no signal for 1 minute, it will automatically shut down.
There is a measurement mode to facilitate monitoring the coverage of the infrared radiation unit
| Technical Parameters | |||
| Sensitivity angle | 270 | Headphone output volume at 2.2.4V | 450mVrms |
| Headphone output frequency response | 20Hz ~ 20kHz | Headphone output impedance | 32 ohms |
| Maximum signal-to-noise ratio | >80dBA | Power supply voltage | 1.8V – 3.6V, nominal 2.4V |
| Battery working time | more than 30 hours | Dimensions (mm) | 155×44×19 |
| Weight | 135g (including battery) | ||
