Audio System for Guides
Clear & Loud Audio Output
One-key Shutdown All Receivers
Up to 150m Transmission
15–35h Long Working Time
Hefei Humantek Co., Ltd. is one of the leading manufacturers and suppliers of audio system for guides in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to buy bulk high quality audio system for guides from our factory.
The L5 audio system for guides is a professional one-way audio transmission device designed for group guidance. This L5 system delivers clear, stable sound for tour explanations, with one-key shutdown, low power consumption, and strong anti-interference performance. It supports one-to-many connection and flexible customization, making the system ideal for scenic spots, museums, factories, and various group explanation scenarios. The audio system for guides simplifies tour management and improves the listening experience for all participants.
Product Parameters
L5 Transmitter technical parameters
|
Carrier frequency |
2.4G |
|
Battery capacity |
1000mA/2000mA |
|
Communication distance |
150m |
|
Charging duration |
2.5h |
|
Weight |
60g |
|
Size |
148*38*19mm(fuselage) |
|
Working hours |
15/30h(hour) |
L5 Receiver technical parameters
|
Carrier frequency |
2.4G |
|
Battery capacity |
400mA |
|
Communication distance |
150m |
|
Charging duration |
2.5h |
|
Weight |
17g |
|
Size |
73*48*11mm |
|
Working hours |
35h(hour) |
Product Feature
One-Key Shutdown for Efficient Device Management
This audio system for guides is equipped with a one-key shutdown function to simplify post-tour equipment control. Guides only need to press and hold the main button on the transmitter for 2 seconds, and all connected receivers will power off automatically. This function avoids the trouble of shutting down each receiver one by one, greatly saving time and improving work efficiency for guides.
01
2.4G Stable & Anti-Interference Wireless Transmission
The system adopts 2.4G frequency modulation technology to provide strong anti-interference performance in complex environments. It keeps audio transmission clear and stable within a 150-meter open range, even in busy scenic spots, museums or factories. The one-to-many connection allows one transmitter to pair with multiple receivers at the same time, meeting the needs of different group sizes.
02
Low Power Consumption & Long Working Hours
Optimized power-saving design reduces energy waste and prolongs the continuous working time of the device. The transmitter can work for 15 to 30 hours after a full charge, and the receiver supports up to 35 hours of non-stop use. Long battery life eliminates frequent charging during tours and ensures stable operation for all-day guidance services.
03
Customizable OEM & ODM Services
This audio system for guides supports full customization to match different customer demands. Clients can customize logo, working frequency, battery capacity, shell material and functional modules as needed. Personalized customization helps build exclusive products and better adapt to specific market and usage scenarios.
04

Application Scenarios
Scenic Spot & Cultural Tourism: It is used for tour guiding in natural scenic spots, cultural parks and historic districts. Tour guides use the transmitter to explain landscapes and culture, and visitors wear receivers to listen clearly, avoiding noise interference and ensuring every tourist can hear professional explanations even in large scale scenic areas.
Museum & Cultural Venue: Suitable for permanent exhibitions, themed exhibitions and cultural relics tours in museums, art galleries and memorial halls. The system delivers clear commentary on cultural relics and artworks, helping visitors understand historical background and artistic value in quiet exhibition spaces.
Factory & Industrial Visits: Applied to production line visits, industrial tourism and enterprise opening days in manufacturing plants, processing bases and tech factories. It ensures visitors can hear safety tips and production introductions clearly in noisy workshop environments, while protecting the normal operation of the production line.
Government & Enterprise VIP Reception: Used for official reception, site inspection and institutional visit in government agencies, office buildings and high end enterprises. The compact and professional design enhances the formal sense of reception, and stable audio transmission ensures clear communication during important visits.
Education & Training Activities: Suitable for campus open days, classroom observation, academic exchanges and off campus practical activities in schools, training institutions and research centers. It helps teachers and lecturers deliver content clearly to large groups of students, improving the efficiency of teaching and communication.
Exhibition & Business Events: Applied to product launches, trade fairs, high end exhibitions and VIP client experience activities. The system provides clear product explanation and brand introduction for exhibitors and visitors, enhancing the communication effect in crowded exhibition venues.

Product Details
Transmitter Details
The transmitter has an ergonomic handheld design with a smooth radian, comfortable to hold for long periods. It is equipped with sensitive physical buttons for one-key shutdown and pairing, easy to operate with one hand. The 60g lightweight body reduces hand fatigue, and the high-strength shell is drop-proof and wear-resistant for long-term outdoor use.
Receiver Details
The receiver is mini-sized (73*48*11mm) and ultra-light (17g), easy to clip on clothes or hang with a lanyard without burden. It has a simple indicator light to show power and connection status clearly. The skin-friendly shell and compact shape ensure comfortable wearing for visitors during long tours.
Charging Cable Details
The charging cable supports 1-to-10 multi-device charging, which can charge multiple receivers or transmitters at the same time. It uses a stable USB interface with strong compatibility, matching common chargers and power banks. The durable cable body is resistant to bending and breaking, suitable for frequent carrying and use.
Charging Box Details
The matching charging box supports centralized charging for multiple receivers, keeping devices organized and charged. It has a built-in protection circuit to prevent overcharging, overcurrent and short circuit, ensuring safe charging. The portable box design is easy to carry and store, making equipment management more tidy for group services.

FAQ
Q1: How many receivers can one transmitter connect to in this audio system for guides?
A1: One transmitter can pair with multiple receivers synchronously, fully supporting small, medium and large group guidance needs.
Q2: How to use the one-key shutdown function of the audio system for guides?
A2: Press and hold the main button on the transmitter for 2 seconds, and all connected receivers will shut down automatically at the same time.
Q3: What is the stable transmission distance of the audio system for guides?
A3: The system provides stable and clear audio transmission within a maximum distance of 150 meters in open areas.
Q4: Does the audio system for guides support logo and function customization?
A4: Yes, we provide complete OEM/ODM services, including logo, frequency, battery capacity and function customization.
Q5: How long can the receiver work after a full charge in the audio system for guides?
A5: The fully charged receiver can work continuously for up to 35 hours, supporting all-day guidance activities.
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