The EXMAX wireless audio transmission system could transmit voice of who speak to the microphone of transmitter to the ones who wear earphone of receivers,transmission distance is about 50-100 meters (164-328ft).40 frequency channels mean it has 40 select IDs allow at least 10 groups to work simultaneously.Widely used for field trip,tour exhibit guides,sermon interpretation,work-study,conferences,translation,audio visual laboratory,events for church,family,restaurants,hajj...

Transmitter weighs 56g and receiver weighs 46g,Small and light for carry or carriage.High S/N Ratio(≥90dB) ensure cleanest voice transmission. Long-Lasting Power,both transmitter and receivers are built-in 900mAh lithium upgraded battery to guarantee more than 25 hours working.One transmitter could pair up countless receivers as long as they are on the same frequency.Transmitter has 3.5mm input jack, it supports AUX( such as MP3, Smartphone,MP4,CD etc) and MIC (microphone )input.

The wire of microphone and earphone has antenna function, please do unfold the wire of the microphone and earphone to enhance the voice signal transmission. On each group, transmitter and receivers should be set on the same frequency Channel ID,for example, Group A: transmitter A is set on Channel ID 05, so receivers A should be set on Channel ID 05 accordingly.But different groups should use different frequency Channel ID, so they will not interfere with each other when work simultaneously.

EXMAX EX-100 wireless voice transmission system could be used as Interpreter translation equipment for church, translation service, assisted listening devices for churches, church translator device for human translator, audio guide equipment for city tour, museum tour, the quick guide to simultaneous, hybrid, and blended learning, wireless listening center for classroom, wireless tourism system, audio tour guide system, listening to your silent voice, outdoor listening devices, tour guide.

Voice transmission distance is about 50-100 meters (164-328ft) in open area. One-way audio transmission set, only transits voice from microphone of transmitter to earphones of hundreds receivers within transmission range. A good wireless assistive hearing devices for audiences. Separate your audience from background noise. EXMAX EX-100 wireless tour guide system is a discreet alternative to a loudspeaker system ensuring only your group can hear you. Popular used for Beach Wedding courtroom translation

【Complete Wireless Tour Guide System – 9-Person Package】 EXMAX EX-100 wireless tour guide system includes 1 transmitters, 8 receivers, 1 clip-on microphones, 8 ear-hook earphones, lanyards, and 9 charging plug and 9 charging cable. Compact and portable, it allows one-way communication from the guide to all participants, ensuring clear audio even in noisy environments.

【Crystal-Clear Voice & Multi-Channel Flexibility】 Operating on 72MHz UHF frequencies, the system supports 40 channels and 40 IDs, allowing multiple groups to use the system simultaneously without interference. PLL technology automatically avoids background noise, ensuring clear and stable sound. The system is tuned for human voice clarity, making it ideal for tour guiding, simultaneous interpretation, training, corporate hospitality, factory tours, and school activities.

【Long-Range & Extended Battery Life】 The transmitter and receiver units are equipped with built-in rechargeable lithium batteries (transmitter 1200 mAh, receiver 900 mAh). Transmitters provide up to 20 hours and receivers up to 25 hours of continuous operation, with a working range of 50–100 meters (164–328 ft) line-of-sight depending on environment. The included charging case can recharge all devices efficiently, reducing downtime during multi-day events or long tours.

【Ergonomic & Hygienic Design for Comfort】 Receivers feature a single-sided ear-hook design with soft, breathable sponge pads, keeping one ear open to the environment while delivering clear sound. Transmitters include lavalier or clip-on microphones for hands-free presentation. Adjustable ear-hook angles and lightweight construction ensure comfortable use for adults, children, or groups requiring long-duration listening, making it perfect for guided tours, field interpretation, or church events.

【Easy Operation & Enhanced Convenience】 The EX-100 system is user-friendly: one-click channel synchronization, MUTE function to prevent background noise, volume adjustment, and manual or auto pairing for all receivers. Standard 3.5mm headphone jack allows optional personal headphones or external microphones. Expandable design allows pairing multiple transmitters and unlimited receivers. Lightweight, portable, and FCC certified, this system provides reliable, clear communication for tours, conferences, classrooms, and corporate events.