
WIM-TR Wireless Teaching Microphone
WR-616 16-Channel Pocket-sized Wireless Receiver
Lightweight pocket-sized wireless receiver, suitable for guided tours and language translation.
・Lightweight and easy to carry
・Supports 16 selectable UHF channels
・Microprocessor PLL phase-locked loop control
・Equipped with a 3.5mm headphone jack
・Equipped with a low battery LED indicator
New Replacement Products Available Now
WR-616 has been discontinued. For new projects or replacements, we recommend the following models. For repair, compatibility, or expansion inquiries regarding existing equipment, please click "Repair & Technical Support for Existing Equipment" above.
Introduction to WIM-TR Wireless Teaching Microphone
This model belongs to the WIM-TR wireless teaching microphone. For how the system works, where it is used, and how to operate it, please see the series introduction.
Specifications
| Oscillation Mode | Microprocessor PLL synthesized controlled |
|---|---|
| Carrier Frequency Range | 680~960MHz |
| Channels | 16 Channels |
| S/N Ratio | 80dB overall |
| Sensitivity | -90dBm±2dBm |
| Maximum Deviation | ± 40KHz |
| Frequency Stability | < ±0.005% |
| Total Harmonic Distortion | < 0.5% (at 1KHz) |
| Frequency Response | 100Hz~15KHz (±3dB) |
| Antenna | Built-in |
| Operating Range | 60m |
| Battery | AAA x 2 (UM-4) |
| Battery Life | 8-10 hours |
| Dimensions (H × W × D) | 85 x 60 x 19 |
| Weight | 60g |
| Current Consumption | 70mA±10mA |
Updated Date 2026-11-10
Last Updated: 2026-11-10


