BOYA BY‑WM8 Pro-K2 UHF Dual-Channel Wireless Microphone System – 48‑Channel Receiver, Handheld + Lavalier, LCD, Headphone JackDual Channel Receiver: Handles two transmitters simultaneously (e. g., handheld mic + lavalier) Wide Channel Selection: Offers 48 selectable UHF channels across two groups (A B) with stereo or mono output Robust Signal Quality: Features digital companding and PLL synthesized tuning for clean audio with low distortion Long Range: Up to ~300 ft (91 m) line of sight transmission range Easy Monitoring: Receiver includes headphone output and easy to read