AKG WMS40 MINI Vocal Set BD US25B Single Vocal Wireless Microphone System
US25B 537.900 MHz. Up and running in a second plug and play solution for easy setup.
AKG Pro Audio WMS40MINI Vocal Set Band US25B Wireless Microphone System
AKG Pro Audio WMS40MINI Vocal Set Band US25B Wireless Microphone System, with SR40 Receiver and HT40 Mini Pro Transmitter. US25B 537.900 MHz. This Version is US25B 537.900 MHz. There are Four Frequency Band Options – Find a free spectrum for clean, uninterrupted sound.