Check the listing for details. Berlingtone BR-58UM UHF Professional Wireless Microphone systems, 120- Channel. Condition: New. Listed at 149.00 USD. eBay Berlingtone BR-58UM UHF Wireless Handheld Microphone systems with120- Adjustable Frequency Channel, Metal Mic and Base, for PA, Karaoke, DJ, Conference, Church, Meeting, Weddings, UP to 260ft Range Description This Berlingtone BR-58UM, UHF wireless microphone system with frequency synthesized technology to provide highly stable, adjustable frequencies from 470 – 580MHz and, in total of 120 digital channels for interference-free operation, minimum dropouts and popping noise, and easy pair up when synchronize receiver and transmitter. Metal Cordless and Metal Base Rugged metal construction for wireless mic receiver and handheld mic. Premium card dynamic cartridge designed for clear, robust, optimal true sound, which makes this system ideal for DJ, professional band performance, interview, party, karaoke, conference, and church, excellent high-fidelity audio. 196+ ft. typical operating range — up to 300+ ft. line-of-sight Both the receiver and the mic has a power ON / OFF switch and the receiver has LED status signal indicator light and dual independent antenna. Two XLR outputs jack for professional power adapter (110-240 Volt), aluminum carrying cases Warranty: NEW - 1 Year warranty FEATURES Genuine UHF wireless microphone system 120 frequencies adjustable for each channel Operating range: 196 t0 260 feet (60 t0 80) meters Frequency: 480MHz‐570MHz Dynamic Range: >90dB Frequency Response: 40Hz—18Hz Frequency Stability: 95dB Sensitivity: