The Stage 55 system offers transmitters for every application including handheld, headset and lavalier microphone styles. Great for guitars too, just plug in with a Samson GC5 guitar cable. The SR55 receiver makes true diversity wireless technology available to everyone. Features variable squelch, six segment LED RF level and audio level metering, dual front mounted antennas and XLR and 1/4" outputs. The ST5 belt pack features 1/8" mini-jack input for all Stage Series mic transmitters. Will operate flawlessly for 10 hours with one 9 Volt Battery. Includes battery level meter.