Compact Portable PA System. Impressive 250W Class D Amplifier. 2 Handheld UHF Microphones. Built-In Media Player with USB- SD & Bluetooth. Supplied with Infrared Remote ControlMains Input: 230Vac or 2 x 12V Battery Charging Time: 8 Hours Power Output: 250W Mic Inputs: 2 Line Inputs: 2 USB Inputs: 1 SD Inputs: 1 Mic Operating Frequencies: 823-832 & 863-865Mhz Dimensions: 615 x 350 x 395mm Weight: 24.5Kg. The CR25A combo is a super-powerful portable sound system. It features a USB/SD player- a Bluetooth© receiver- two UHF wireless microphones- an external source and a mixer allowing you to connect 2 extra microphones. It is a complete- easy to use and super powerful system. On top of that- it is easy to transport and very handy thanks to its built-in transport trolley- and its outstanding battery life. . portable pa-wireless mic portable pa-battery portable pa-trolley portable pa