Q-Audio QSD-3PRO BTX Battery Silent Disco Bluetooth Transmitter

Q-Audio QSD-3PRO BTX – Battery Powered Silent Disco Bluetooth Transmitter (863-865MHz)

Portable Wireless Audio Freedom for Silent Events

The Q-Audio QSD-3PRO BTX is a professional battery powered silent disco transmitter engineered for mobile event deployment, outdoor entertainment and multi-channel personal audio distribution.

Designed to operate within the licence-free CH70 UHF spectrum (863–865MHz), this transmitter delivers stable, low-interference wireless performance suitable for festivals, fitness classes, guided tours and corporate environments.

Bluetooth and Line Input Flexibility

The integrated Bluetooth receiver allows quick connection to smartphones, tablets and other playback devices, enabling fast event setup without complex cabling.

In addition to Bluetooth streaming, the transmitter supports stereo line input connections via RCA or 3.5mm adapters, providing compatibility with DJ mixers, media players and presentation systems.

Multi-Channel Silent Disco Broadcasting

The QSD-3PRO BTX supports three selectable transmission channels, colour-coded for easy user identification:

• Blue Channel
• Red Channel
• Green Channel

Multiple transmitters can operate simultaneously, allowing independent audio sources to be broadcast to different headphone groups.

Designed for Mobile Professionals

A durable belt-clip housing makes the unit ideal for tour guides, instructors and event presenters who require hands-free operation.

The rechargeable battery architecture enables full wireless deployment without external power dependency, supporting outdoor and mobile event environments.

Wide Application Use Cases

This transmitter is suitable for:

• Silent disco events
• Fitness and yoga instruction
• Conference translation systems
• Museum and tour audio guidance
• Corporate presentations
• Festival entertainment zones