Martin Ranger KA-PA08 Pull-N-Go Portable Wireless PA System with Built-In USB/SD Card Reader Single 8" Woofer USB/SD Card Reader & FM Tuner Compact, Portable Design with Built-in Retractable Dolly Four XLR-1/4 Combo Inputs with Independent Volume Controls Includes 2 Wireless Microphones (1 handheld and 1 headset)