Gemini GMU-M100

A "Ready to Play" Format in Gemini's GMU Wireless Range

The Gemini GMU-M100 fits the spirit of the GMU Wireless series: offering a simple, compact, and fast-to-deploy UHF wireless solution without a bulky receiver box. Its signature feature is the receiver integrated into a 6.35mm Jack plug, designed for those who want to go wireless without modifying their setup or adding extra accessories.

This system takes a direct approach: you plug in the receiver, turn it on, and you're ready to work. A particularly relevant choice when setup time is limited (events, presentations, short sets) or when equipment discretion is a real plus on stage and during events.

Intended Uses and Users

The GMU-M100 is aimed at hosts, speakers, instructors, as well as singers and instrumentalists seeking an easy-to-use UHF wireless system with visually discreet reception. It is also well suited for "mobile" setups: karaoke, street performances (busking), weddings, conferences, or content creation (streaming, podcasting) when immediate handling is desired.

Thanks to its "handheld microphone + jack receiver" format, it naturally integrates with many sound systems, amplifiers, or compatible microphone inputs without requiring a rack or a separate box.

Operation, Settings, and Key Features

Rotatable Jack Receiver: Practical in the Field

The GMU-M100 receiver is designed as a miniature module directly mounted on a 6.35mm Jack plug with 280-degree rotation. This detail facilitates orientation once plugged in, depending on the microphone input position and available space, and helps maintain a clean setup in compact configurations.

Control from the Microphone: Volume and Frequencies at Your Fingertips

The system emphasizes simple use: automatic pairing, volume control directly from the handheld microphone, and selection/configuration via the SET button. To adapt to variable radio environments, the microphone allows frequency changes to find a cleaner channel and reduce interference risks.

USB Charging and LED Display: Better Battery Management

Both microphone and receiver feature rechargeable lithium batteries with USB charging (included Micro-USB cable). The microphone uses a user-replaceable 18650 1200mAh battery, a benefit for those wanting to extend the system's lifespan or have a backup solution. The microphone's LED display makes it easy to monitor battery status as well as the channel/frequency.

UHF, Range, and Expandability

The GMU-M100 is a UHF wireless system advertised with a range of over 50 meters and a stable signal. It is also described as expandable : the GMU series can support up to 6 pairs of devices operating without interference, with the possibility to transmit to multiple receivers simultaneously depending on the setup.

Technical specifications

Category

Complete system

Capsule

dynamic

Frequency selection	863 - 865 MHz	Microphone battery	user-replaceable 18650 1200mAh
LED display	battery and channel/frequency indication	Wireless range claimed	over 50 meters