Albrecht ATT/ATR400 20er 29970.S20 Tour Guide System (29970.S20)
The Albrecht ATT/ATR400 20er 29970.S20 Tour Guide System (29970.S20) is a professional audio solution designed for guided tours, factory visits, conferences and interpretation services. The set typically combines wireless transmitters (ATT400) with matching receivers (ATR400) for up to 20 participants, enabling clear, intelligible communication even in noisy or acoustically challenging environments. It is aimed at museums, tourist guides, training providers and companies that need reliable one-way communication from a speaker to a group.
From a technical perspective, the system is usually built around digital or high-quality analog radio transmission with stable reception and minimal interference. The transmitters are compact, lightweight and can be carried with a neck strap or clipped to clothing. Each receiver is similarly compact, with individual volume control so that every participant can adjust the listening level to personal preference. Operation is straightforward: the guide speaks into a lightweight headset or lapel microphone connected to the transmitter, and the participants listen via in-ear or on-ear headphones connected to their receivers. Robust housing and user-friendly controls (power, channel selection, volume) make the system suitable for frequent daily use.
In practice, the ATT/ATR400 20er set is ideal for city tours, museum visits, trade-fair presentations, plant tours, training sessions or simultaneous interpretation in multilingual events. Tour guides benefit from the ability to speak quietly and still be perfectly understood, without having to raise their voice or gather the group very closely. Companies can separate groups safely in production environments while maintaining constant audio contact. Event organizers can assign different channels to different languages, allowing interpreters to provide translations that participants receive directly via their receivers.
Key advantages of this tour guide system include improved speech intelligibility, reduced vocal strain on guides, and more relaxed, flexible group management. Visitors no longer miss important information when they stand further away or in noisy surroundings. The system also enhances discretion: explanations can be given without disturbing other groups or visitors. The compact design, intuitive handling and typically long battery life (depending on the exact configuration) contribute to low operating costs and high acceptance among users.
Albrecht is known in Europe particularly for communication technology such as radio devices and tour guide systems. The brand focuses on practical, user-oriented solutions for professional and semi-professional applications, combining ease of use with reliable technology and solid build quality. In many product lines, attention is paid to durability and long-term usability, which reduces electronic waste and supports more sustainable usage patterns. When tour operators and companies invest in a long-lasting system instead of disposable solutions or constantly replacing inferior devices, they contribute to resource conservation and reduce their environmental footprint over time. By choosing a robust, reusable audio system for tours instead of printed handouts or one-off gadgets, customers support a more sustainable approach to information transfer and guest guidance, making a tangible contribution to responsible, future-oriented operations.
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