UHF Dual Channel Wireless In-Ear Monitor System for Stage Musicians, PRO ER-102, D Debra Audio

"Notes About This Item:
I tested this using a 3.5 mm in and the sound came through properly to the monitor.  I was able to walk through the house with no interference so seems to be working well!

Notes from Amazon:

This professional **UHF wireless in-ear monitoring system** uses **phase-locked loop (PLL)** technology and high-quality IC chips for improved overall performance. It provides a strong, stable signal with a high signal-to-noise ratio and excellent interference rejection. The system operates in the **510-580 MHz** frequency range and offers **100 switchable preset frequencies** per channel to easily avoid signal interference. 📡

A **built-in limiter circuit** eliminates distortion from excessive input levels. The transmitter features versatile connectivity, including a front-panel 1/4-inch monitoring headphone jack, and on the back panel, a 3.5mm mixed input, two independent inputs, and a 6.5mm mixed output. It is ideal for use on stage, in broadcast, for recording studios, and by musicians for band performances. 🔌

The transmitter features an **LCD panel** that displays RF and AF levels for easy monitoring. The bodypack receiver is also equipped with an LCD display, along with indicators for power status and RF signal reception, and it allows you to monitor its current battery level.

On an unobstructed open stage, the system's effective operating distance can reach up to **300 meters**. Its high signal-to-noise ratio and wide dynamic range contribute to excellent anti-interference performance and provide faithful, original sound reproduction.

This wireless monitoring system can be expanded by connecting an unlimited number of bodypack receivers (sold separately) to a single transmitter, making it perfect for growing bands and ensembles."