SOUND TOWN SWM-01U4 WIRELESS MICROPHONE SYSTEM: The Sound Town SWM-01U4 wireless microphone set is a versatile and user-friendly microphone system that includes (4) handheld microphones and (1) a mini portable receiver with a 1/4 output. Each microphone automatically pairs with the receiver upon activation inside 100 feet, ensuring a hassle-free experience QUICK SETUP AND COMPATIBILITY: The SWM-01U4 portable receiver is equipped with a 1/4 (6.35mm) output and is compatible with most PA speakers, mixers, and amplifiers that utilize 1/4 input connectors. Also includes 1/4 to 1/8 (3.5mm) adapter for 1/8 input devices ADJUSTABLE SOUND CONTROLS: Adjust the echo, treble, and or bass to the desired level with a touch of a button, located on the microphone. The cardioid pick-up pattern of the microphone emphasizes the main sound source as it minimizes unwanted background noise. Ideal for karaoke, meetings, speeches, weddings, church, and much more