1. High-quality IC chips enhance overall performance, resist frequency drop and crosstalk, deliver a stronger, more stable signal, and improve signal-to-noise ratio. 2. 100 preset frequencies per channel for easy switching, effectively preventing signal interference. 3. Built-in limiter circuit eliminates distortion at excessive input levels. 4. The host transmitter can connect to multiple bodypack receivers simultaneously. 5. The bodypack receiver is compact and easy to carry. 6. Built-in bracket accessories allows the main unit to be mounted in a sound cabinet. 7. Suitable for stage, broadcast, recording studios, musicians, band performances, conferences, and more. Specifications: Modulation Method: Pi4-DQPSK Frequency Range: 530-580MHz, 1x100CHS Sampling Rate: 48kHz Transmission Speed: 204.8KBPS Dynamic Range: More than 90dB Total Harmonic Distortion: Less than 0.1% Transmission Latency: Less than 3ms Signal-to-Noise Ratio: More than 96dB Frequency Response: 30-20kHz Receiver Sensitivity: Less than -94dBM Transmission Distance: 300m Receiver Power Supply: 2 x AA Batteries (not included) Package Included: Host x 1 Bodypack Receivers x 2 Power Adapter x 1 Earphones x 2 Antenna x 1 Audio Cables x 2 Bracket Accessories x 2