Introducing the BOYA BY-WM8 Pro-K1 UHF Dual-Channel Wireless Microphone System #BY-WM8 PRO-K1. This complete system features a lavalier/lapel microphone form factor and UHF connectivity. The kit style is base and includes a frequency range of A: 576.4-599.9 MHz, making it perfect for musical instruments & gear, pro audio equipment, and microphones & wireless systems. The brand is BOYA and the model is BY-WM8 Pro-K1, manufactured by BOYA. The package includes everything you need to get started with high-quality wireless audio.