Gemini UHF Wireless Microphone System – Dual Lavalier & Headset Mics with Bodypack, USB Rechargeable Receiver, 50m Range, Cardioid Pattern for Teaching, Streaming, Karaoke & Events (GMU-HSL100)






Price: $49.95
(as of Feb 13, 2026 00:02:47 UTC – Details)
Product description



EPIC 50M+ Wireless Range
Crystal-clear UHF audio up to 164+ feet! Perfect for live performances, karaoke & presentations. Cardioid pattern rejects background noise. No drops!

Setup in 5 Seconds FLAT!
Auto-pairing between transmitter & receiver – no tech skills needed! Press SET to change frequencies. Perfect for beginners & pros!

All-Day Battery Power!
Receiver: 5 hrs rechargeable lithium | Transmitter: 4 hrs on 2 AA batteries (included). LED display monitors battery life. Never get caught unprepared

6-Channel Pro System!
Run 6 mic pairs simultaneously or broadcast to multiple receivers! Switch UHF frequencies instantly. Interference-free for multi-presenter setups!
Headset + Lavalier Combo
TWO Professional Mics = Ultimate Flexibility!
TWO Pro Cardioid Mics! HS10 headset hands-free + LAV10 lapel discreet use. Both with bodypack!
Multi-User Pro System
Run 6 Wireless Mics Simultaneously – No Limits!
Run 6 Mic Pairs OR Broadcast to Multiple Receivers! Bands, conferences & classrooms. Pro flexibility
Pro Status Monitoring
LED Display Shows Everything You Need to Know!
Bodypack LED Shows Channel, Frequency & Battery! Never guess in critical moments. Total control!
Connects to Everything
Plug Into ANY Audio Device – Ultimate Freedom!
Connects to Speakers, PA Systems, Amps, Mixers, Pedals & Interfaces! Standard 1/4″. No adapter!
Pro Noise Cancellation
Advanced Circuit KILLS Background Noise Dead!
Compression circuit eliminates unwanted noise for studio-quality sound! Your voice, NOTHING else!
1 2 Premium Mics Included!
2 Scale to 6 Channels!
3 Smart LED Control Panel
4 Universal 1/4″ Output
5 Crystal Clear Audio
Polar Pattern Cardioid Dynamic Microphone: Cardioid refers to the microphone’s sensitivity direction. A cardioid microphone primarily captures sound from the front, minimizing background noise. This ensures that the voice or instrument in front of the mic is clear, making it ideal for vocalists, podcasters, and stage performers. Potential buyers looking for focused audio capture without unwanted ambient noise will find this feature appealing. Wireless Range > 50 Meters: This specification indicates that the microphone can transmit audio wirelessly for more than 50 meters. It’s perfect for large venues, outdoor events, or situations where the speaker or performer needs to move freely. Users searching for a mic that offers mobility without compromising audio quality will value this spec. Distortion < 0.6%: A distortion value of less than 0.6% means that the microphone produces a clean and authentic sound with minimal interference. Low distortion is crucial for professionals and enthusiasts who want pure audio reproduction. If clear, distortion-free sound is on your wishlist, this microphone is a prime choice. Dynamic Range ≥ 106 dB: A dynamic range of 106 dB or more means the microphone can handle a wide range of loud and soft sounds without distortion. This ensures both whisper-quiet passages and booming audio moments are captured with clarity. Ideal for dynamic performances, it’ll appeal to users who need versatility in sound capture. Frequency Range R2 (USA): 512-541.7MHz: This refers to the range of frequencies the wireless system operates within. In the USA, it works between 512-541.7MHz, ensuring clear transmission with minimal interference. Users looking for a reliable wireless connection in this frequency range, especially in congested areas, will find this spec beneficial. Frequency Response 20Hz-18KHz, +1dB/-3dB: This microphone captures a broad spectrum of sound, from low 20Hz to high 18KHz, ensuring both deep bass and crisp highs are recorded. The slight variation (+1dB/-3dB) ensures consistent audio quality. Perfect for varied audio sources, from singing to instrumentals, appealing to diverse audio needs. Construction Material ABS Plastic: ABS Plastic is a robust and lightweight material. This means the microphone is designed to be durable for prolonged use while being easy to carry. Anyone searching for a long-lasting, portable microphone system will appreciate this construction choice. Microphone Battery Powered by 2 AAA batteries (included), the bodypack transmitter offers reliable performance without the need for recharging. Easily replaceable and widely available, AAA batteries make this system convenient for travel, events, and extended use Receiver Battery 500mAh Rechargeable Lithium: The 500mAh rechargeable lithium battery in the receiver ensures consistent and long-lasting wireless connectivity. Users who want a dependable wireless experience without constant recharging will find this feature attractive. Charging USB-C: USB-C represents the latest in charging technology, offering faster charging times and a universal connection. For users seeking modern, quick, and efficient charging solutions, this spec is a key selling point.
Is there any audio delay or latency when using the GMU-HSL100?
No. The GMU-HSL100 provides a stable wireless connection with no noticeable audio delay
Does the GMU-HSL100 use rechargeable batteries, and how long can it run per charge?
The receiver has a built-in rechargeable lithium battery (charged via USB) that provides hours of use per charge. The bodypack transmitter uses two standard AA batteries (included)
Can I use multiple GMU-HSL100 systems together without interference?
Yes. The GMU-HSL100 supports up to six wireless microphone systems operating simultaneously without interference. It has multiple selectable UHF channels, so you can easily find a clear frequency if needed
Will the sound cut out if I’m moving around or far from the receiver?
No. The GMU-HSL100 maintains a stable signal at distances beyond 50 meters, allowing you to move freely without dropouts. It also uses an advanced compression circuit to reject unwanted noise and keep the audio clear
Does this microphone filter out background noise or feedback?
Yes. The GMU-HSL100 uses a cardioid dynamic microphone and an advanced compression circuit to reject unwanted noise. This design focuses on your voice and minimizes ambient noise or feedback during use.
What does “cardioid pattern” mean and why does it matter?
Cardioid pattern captures sound from the front while rejecting noise from sides and rear. This reduces background noise, room echo, and feedback, ensuring your voice stays clear in noisy environments like gyms, classrooms, or outdoor events.
How far can I move from the receiver?
The system provides stable transmission beyond 50 meters (164+ feet) in open spaces. Indoor range varies based on walls and obstacles but typically exceeds 30-40 meters. Perfect for stage performances, classrooms, outdoor events, and fitness classes.
How long does the battery last?
Receiver (rechargeable lithium): ~5 hours continuous use, 2-hour charge time. Bodypack transmitter (2 AA batteries): ~4 hours continuous use. Both feature LED battery indicators so you can monitor power levels during use.
Can I record with this microphone?
Yes! Connect the receiver to an audio interface or mixer, then to your computer/recorder. Works with any DAW software (Logic, Pro Tools, Audacity, GarageBand, etc.) and streaming platforms (OBS, Streamlabs, Zoom, etc.) via compatible audio interface.
What’s included in the box?
Complete system includes: R10 wireless receiver, BT10 bodypack transmitter, HS10 headset microphone, LAV10 lavalier microphone, [Micro-USB/USB-C] charging cable, 2 AA batteries, and user manual. Everything you need to start performing immediately.
COMPLETE HANDS-FREE WIRELESS SYSTEM – Easily switch between the comfortable headset microphone or the discreet lapel (lavalier) mic. Whether you are leading a fitness class, officiating a wedding, or teaching in a classroom, this system provides clear, professional vocal projection without being tied to a cable.
RELIABLE LONG-RANGE CONNECTION – Move freely with a wireless range exceeding 160 feet (50+ meters). The advanced UHF stability ensures a strong, “no-delay” signal that cuts through background noise, making it perfect for large halls, outdoor events, and crowded conferences.
SIMPLE PLUG-AND-PLAY SETUP – No complicated tech skills required. The transmitter and receiver pair automatically the moment you turn them on. Change channels with a single button press to stay on a clear frequency, and monitor everything on the easy-to-read LED screen.
RECHARGEABLE & READY TO USE – The receiver features a built-in battery with 5 hours of runtime that recharges quickly via USB. We’ve included 2 AA batteries for the bodypack transmitter so you can start using your system the moment it arrives at your door.
WORKS WITH YOUR EXISTING GEAR – The standard 1/4″ plug connects directly to your powered speakers, PA systems, mixers, or amplifiers. This complete bundle includes the receiver, transmitter, both microphones, and all necessary cables for karaoke, busking, and professional presentations.