ULTRA TOUR GUIDE SYSTEM

ADVANCED AI-POWERED

TOUR GUIDE SYSTEM

A smart device with AI-driven channel management and advanced noise cancellation, engineered for extended guided tours, large-scale events, and technically challenging environments.

150 hours of autonomy and fast charging

5115 channels with AI automatic channel selection

Globally authorized 2400–2483 MHz frequency band

Charge via Micro-USB or Crystal Sound bulk charging station

Only 43 g weight

150 meters stable signal range

5.0
OPERATING MODES

ULTRA TOUR GUIDE SYSTEM FOR

MULTI DAY TOURS CULTURAL TOURS URBAN WALKING TOURS SHORE EXCURSIONS DYNAMIC CIRCUITS

Designed for professionals who need clear, reliable audio in any enviroment. Ultra works with a transmitter that connects to an unlimited number of receivers to guide a large tour group with clear audio, ensuring an organized and smooth experience.

Transmitter

The transmitters broadcast the guide’s voice.

Unlimited number of receivers

The receivers instantly play it back in the participants’ headphones.

App CS.Counter

This app allows real-time counting of active units and baterry level checks with just a swipe

Charging case

Charge up to 36 radio guides simultaneously, ensuring they are always ready for use.

Allows up to 4 transmitters to be connected with an unlimited number of receivers, enabling multiple guides to speak simultaneously and creating an interactive, engaging experience for all participants.

Up to 4 transmitter

The main transmitter (A) broadcasts the guide’s voice to both the receivers and the additional transmitters (B-C-D). Any previously synchronized transmitter can assume the role of the main transmitter when needed.

Unlimited number of receivers

The receivers instantly play it back in the participants’ headphones.

App CS.Counter

This app allows real-time counting of active units and baterry level checks with just a swipe

Charging case

Charge up to 36 radio guides simultaneously, ensuring they are always ready for use.

THE SOLUTION TRUSTED BY TOUR OPERATORS AND TRAINING PROVIDERS ACROSS EUROPE

Streamline group management, reduce setup times and ensure clear communication, even in demanding environments.

GET A TAILORED PROPOSAL FOR YOUR OPERATION

THEY TRUST US

THEY TRUST US

THEY TRUST US

KEY TECHNOLOGIES

TECHNOLOGIES THAT WORKS FOR YOU

Our proprietary technology simplifies setup, streamlines group control and ensures reliable performance, helping tour operators run guided experiences more efficiently.

AI automatic channel management

The system identifies and selects the optimal channel, avoiding interference.

CS.Tap&Connect

Quick and easy one-button pairing to instantly connect transmitters with multiple receivers

CS.LeaderControl

Smart remote control system that optimizes battery and coordinated group use, simplifying device management during the tour.

CS.Counter App

With a single action, it automatically inventories all devices and displays real-time battery status for each unit.

TECHNICAL RESOURCES & DOCUMENTATION

EVERYTHING YOU NEED TO KNOW

ABOUT ULTRA TOUR GUIDE SYSTEM

PRODUCT BROCHURE

Features, applications and technical specifications of the system.

USER GUIDE

Setup, operation and usage recommendations.

TECHNICAL RESOURCES

Additional documentation, support materials and reference resources.

FAQs

WHAT TOUR OPERATORS

ASK US

The multispeaker mode allows up to 4 transmitters to broadcast simultaneously to an unlimited number of receivers. This enables multiple guides or speakers to talk at the same time, creating highly interactive and dynamic guided experiences.

Radioguide Ultra combines artificial intelligence, advanced noise cancellation, and extended battery life. Its automatic channel management powered by AI ensures interference-free communication, even in complex or crowded environments, delivering a consistently premium listening experience.

The AI-powered automatic channel selection continuously identifies and selects the optimal channel based on the surrounding environment. This eliminates manual setup and prevents interference, ensuring a smooth and reliable experience for both guides and participants.

The Radioguide Ultra is designed for long working days and intensive use:

  • Receivers: up to 150 hours of operation

  • Transmitters: up to 80 hours in standard mode and 60 hours in multispeaker mode

Fast charging allows a full recharge in 1 to 3 hours.

No. The system operates in the globally authorized 2.4–2.483 GHz frequency band, meaning no licenses or certifications are required for use in any country.

Radioguide Ultra uses CS. Tap&Connect, a one-button synchronization system that quickly pairs transmitters and receivers.

Thanks to AI-based automatic channel selection, the system chooses the optimal channel based on the environment, eliminating manual setup and ensuring interference-free communication. Devices remain paired for future use, reducing setup time for daily operations.

Yes. The devices feature a customizable housing, allowing branding with your company logo for a professional and consistent image.

Reduce device losses and save time

Our tour guide systems, combined with the CS.Counter app, allow guides to count devices in seconds, streamline preparation, and minimize equipment losses after every tour.

Fast charging and extended battery life

Fully charged in just 2 hours and offering up to 100 hours of operation—significantly longer than most tour guide systems on the market.

24/7 Technical support

Our expert team is available at all times to assist you, guide you, and resolve any questions or issues you may have with our devices

Secure payments & worldwide shipping

We offer multiple secure payment options and ship worldwide, adapting to your schedule and operational needs.

2 Year warranty with after sales service

All our devices come with a 2 year warranty and dedicated after-sales support, including remote assistance and training sessions, so you can operate with complete peace of mind.

Delivery & collection wherever you are

We handle both delivery and equipment collection, saving you time and simplifying logistics for your tour, event, or guided activity.

LET YOUR STORIES BE HEARD!

We help you identify the guided-tour system solution that best fits your business needs.

Email address

hello@crystalsound.eu

TELL US WHAT YOU NEED

FOR YOUR ACTIVITY

Let us know which system and how many units you require. Our team will prepare a tailored proposal based on your activity and location.

TELL US THE DETAILS OF

YOUR ACTIVITY

Let us know where and when you need the equipment. We’ll prepare a tailored proposal with the most suitable setup and logistics for the size, duration and specific requirements of your activity.

BECOME AN

OFFICIAL PARTNER

Please complete the requested information so that our team can evaluate it and contact you.

Guide microfone

High quality sound without interference

Black color

Shielded wire – 1 m

Connector – 3.5 mm Jack

WE CALCULATE YOUR

EQUIPMENT SET

Leave your contact details, the manager will call you back and talk to you in detail about the equipment