Audix AP41 OM5 Wireless Handheld Microphone System | Frequency: B (554-586 MHz)The Audix AP41 OM5 Wireless Handheld Microphone System features the legendary Audix OM5. Since the mid 90s, the OM5 has become one of the most respected handheld dynamic mics in the world. Used on stage, in studios, and for broadcast applications, the OM5 has a reputation for clarity, resistance to feedback, and the ability to handle SPLs in excess of 144 dB without distortion. Available Frequency Bands A = 522 MHz 554 MHz B = 554 MHz 586 MHz