Check the listing for details. JBL AM2 Wireless Mic 2x Microphone For PartyBox 310 Encore System Replacement. Color: Black, Condition: New. Listed at 59.90 USD. JBL Wireless Dual Microphone System with Digital Display for Karaoke and Live Performance. Features JBL Original Pro Sound for incredible vocal clarity and detail with no distortion. Dual-channel wireless receiver for 2-microphone operation. High audio sensitivity of 100 Decibels and 60 dB Signal-to-Noise Ratio. Compatible with JBL PartyBox series including PartyBox 310 and Encore. Digital LCD screen shows channel and battery status. Lightweight 1.2 lbs plastic construction. Plug-and-play wireless connection with no delay. Includes rechargeable receiver battery and AA batteries for handhelds. Manufacturer Part Number: JBLWIRELESSMICAM. UPC: 050036379847. Professional Pro Sound Audio Performance.