150 Adjustable Channels

Strong Anti-Interference
6–8H Long Battery Life
Ultra-Light Portable
Full OEM/ODM Support
2-Year Global Warranty
 

 

Product Introduction

YINGMI L8 150 channels tour guide system is a professional UHF audio transmission solution built for large-scale group guidance. With 150 adjustable channels, it delivers strong anti-interference signal and stable 1–300m coverage, ensuring crystal-clear audio transmission in crowded scenic spots, factories, exhibitions and busy venues. It supports Bluetooth pairing, seamless multi-guide switching, 6–8 hours long battery life and full OEM/ODM customization. This system is widely trusted by tour operators, enterprises, museums and institutions worldwide for its stable performance, easy operation and reliable quality.
 

Product Parameters

L8 transmitter:

Carrier frequency	UHF663-694Mhz/other frequency can customize
Number of channels	150CH（Adjustable mode: 1 - 150 channels）
Communication distance	1-300m
Charging duration	2.5h
Weight	98g
Size	55*115*26mm（fuselage）
Working hours	6-8h（hour）

 

L8 receiver:

Carrier frequency	UHF663-694Mhz/other frequency can customize
Number of channels	18CH（ Adjustable mode: 1 - 18channels）
Communication distance	1-300m
Charging duration	2.5h
Weight	16g
Size	22*52*14mm
Working hours	6-8h（hour）

 

Product Features

150 Adjustable Channels & Strong Anti-Interference: Adopts high-performance UHF technology with 150 freely adjustable channels, effectively avoiding frequency conflicts and signal crosstalk in multi-group, multi-team and crowded scenarios. It keeps stable and independent audio transmission even in large-scale exhibitions, scenic spots with numerous tour groups and busy industrial sites, ensuring zero interference for every explanation.

Stable 1–300m Long-Distance Signal Transmission: Equipped with a high-gain built-in antenna, the system delivers a strong and consistent signal within 1 to 300 meters in both indoor and outdoor environments. It maintains stable audio transmission without delay, disconnection or distortion, even in complex spaces with buildings, crowds or electrical interference.

Crystal-Clear Hi-Fi Sound Quality: Built-in intelligent noise reduction chip and high-fidelity audio module, which filters out ambient noise and restores clear, real and delicate explanation sound. Tourists can hear every detail clearly without buzzing or cracking, bringing an excellent listening experience.

Bluetooth Compatibility for Multi-Device Connection: Supports Bluetooth pairing with mobile phones, voice translators, audio players and other Bluetooth-enabled devices. It can play pre-recorded audio, connect real-time translation equipment and expand more application functions, meeting diversified explanation and communication needs.
 

Application Scenarios

Cultural & Tourism Sites: Ideal for guided tours in scenic spots, museums, historical sites, cultural relics exhibitions and theme parks. The 150-channel system supports multiple tour groups working at the same time without frequency interference, delivering clear explanation audio for visitors and improving the tourism experience.

Industrial & Corporate Visits: Perfect for factory tours, production line inspections, industrial tourism and corporate open house events. It ensures stable and clear voice transmission in noisy industrial environments, helping visitors understand production processes and corporate culture without disturbance.

Educational & Academic Activities: Widely used in campus open days, teaching demonstrations, academic exchanges, training sessions and school visits. The system supports orderly explanation and listening for large student groups, making teaching and communication more efficient and orderly.

Business & Exhibition Events: Suitable for product launches, international trade fairs, high-end exhibitions, conferences and VIP client receptions. It provides stable audio transmission for large-scale events, enabling professional explanation and efficient reception for exhibitors and attendees.

Religious & Ceremonial Sites: Designed for church services, temple pilgrimages, religious gatherings and ceremonial activities. It supports clear playback of scriptures, hymns and sermons, creating a quiet and devotional environment for participants.

Government & Institutional VIP Reception: Applied to government agency visits, institutional inspections, public welfare activities and high-level receptions. The stable signal and professional performance meet the strict requirements of official and high-end reception scenarios.

 

Product Details

Transmitter Details

The L8 transmitter adopts an ergonomic handheld structure with a non-slip matte surface, ensuring a firm and comfortable grip during long-term use. It is equipped with clearly labeled physical buttons including MUTE, SET and CHANNEL, allowing one-key silent control, parameter setting and channel switching without complicated operations. With a compact size of 115*55*26mm and a light weight of 98g, it is easy to carry and operate for tour guides and lecturers. The built-in high-performance antenna and 150-channel control chip deliver stable signal transmission, supporting smooth frequency adjustment to avoid crosstalk in multi-group scenarios.

Receiver Details

The receiver features an ultra-miniature wearable design, measuring only 22*52*14mm and weighing 16g, which causes no burden when clipped to clothing for hours. It uses a high-sensitivity audio receiving module to restore clear sound and lock signals stably. The simple indicator light shows power and working status at a glance, and the flexible clip fits tightly on all kinds of clothes, bags or lanyards. It maintains consistent signal performance with the transmitter, supporting 1–300m long-distance reception without disconnection or noise.
 

FAQ

Q1: How many channels does the transmitter support, and how is its anti-interference performance?
A1: The transmitter supports 150 adjustable UHF channels with strong anti-interference ability, effectively avoiding frequency conflicts in multi-group and crowded scenarios.
 
Q2: What is the stable transmission distance and working hours of this system?
A2: It provides stable 1–300m signal coverage. Both transmitter and receiver support 2.5h fast charging and 6–8h continuous working.
 
Q3: Does this tour guide system support multi-guide switching and Bluetooth connection?
A3: Yes. It supports seamless switching for 3–5 guides and can connect to mobile phones, translators and other Bluetooth devices.
 
Q4: Are there standard kits available? Can we customize the product?
A4: We provide 20/30/50/100/200/500-person standard kits. Full OEM/ODM customization (logo, frequency, battery, functions) is supported.
 
Q5: What warranty and after-sales support do you offer?
A5: All main units come with a 2-year global warranty. We provide 24/7 online support with 2-hour response and professional English technical assistance.