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Swiff Audio WX-520 - In-Ear Monitor Wireless System The Swiff Audio WX-520 Wireless In-Ear Monitor System offers interference-free, high-quality audio with a wireless range of up to 30 metres. Featuring advanced 5.8GHz digital transmission, a compact belt-clip receiver, and an all-in-one transmitter that doubles as a charging and storage case, it delivers up to 8 hours of reliable battery life for seamless performances. Key Features 5.8GHz Digital Signal Transmission: Stable, interference-resistant wireless technology ideal for busy stages and crowded environments. Up to 30 Metres Transmission Range: Freedom to move during rehearsals and live performances without losing audio quality. Through-Wall and Anti-Interference Capability: Maintains clear signal through walls and obstacles, perfect for stage and studio use. Transmitter with Charging and Storage Function: Convenient all-in-one design saves space and keeps equipment protected and powered. Compact Belt-Clip Receiver: Lightweight and low-profile receiver clips securely onto belts, pockets, or instrument straps. Integrated Rechargeable Lithium Battery: 8400mAh battery provides up to 8 hours of continuous use on a single charge. LED Display: Bright display shows battery life and connection status for easy monitoring. Full-Range Audio and Stereo Output: Wide frequency response (20Hz–20,000Hz) and 102dB dynamic range deliver studio-quality sound. Global Use via ISM Band: Operates on the 5.8GHz ISM frequency band, requiring no licensing in most regions. Specifications Transmission Technology: 5.8GHz digital wireless Range: Up to 30 metres Battery Type: Integrated rechargeable lithium battery (8400mAh) Battery Life: Up to 8 hours Frequency Range: 20Hz – 20,000Hz Dynamic Range: 102 dB Audio Mode: Stereo Limiter: No Switchable Frequencies: Yes Focus/Mixed/Dual Mono: No LED Display: Yes (on receiver) Transmitter Function: Charging case and storage What's in the Box 1 x Transmitter (charging case and storage) 1 x Receiver (belt-clip)