Samson Concert 288 All-In-One Dual-Channel Wireless System (I Band)High-performance UHF wireless solution whether a handheld, lavalier or headset s neededUp to 24 systems (48 performers) can be operated simultaneously across two frequency bands with separate Volume controls for each wireless signalDual balanced XLR outputs for routing signals to two separate mixer channels or 1/4" unbalanced mix output to combine signals to one output channelEach offers up to eight hours of battery life using two AA batteries with a 300' operating rangeIncludes a CH288 Handheld Transmitter with a Q6 Dynamic Microphone capsule, LM5 Lavalier Microphone, HS5 Headset Microphone, CB288 Beltpack Transmitter, CR288 Wireless Receiver, two antennas and power supply