Check the listing for details. EMB Pro EBM10W Professional Dual VHF Wireless Handheld Microphone System. Color: Black, Condition: Open box. Listed at 29.95 USD. The EMB Pro EBM10W Professional Dual VHF Wireless Handheld Microphone System is a high-quality microphone set perfect for karaoke enthusiasts. With its sleek black design and handheld/stand-held form factor, these microphones offer easy use and adjustable gain control for optimal sound quality. Featuring VHF wireless technology, large diaphragm size, and automatic gain control, these microphones provide a versatile and reliable option for users looking to enhance their karaoke experience. Additionally, the adjustable stand feature makes it convenient to position the microphone for optimal sound projection. Overall, this dual VHF wireless handheld microphone system by EMB is a top choice for karaoke parties and events.