Mipro Mobile Battery-Powered Speaker System MA-505 145 W for Great Sound - The Mipro Mobile Battery-Powered Speaker System MA-505 is a compact sound system from the Mipro MA series. This lightweight sound system features a built-in USB media player with an LCD screen, a recording function, and an individual volume control. It also includes a Bluetooth receiver. The Mipro Mobile Battery-Powered Speaker System MA-505 has a runtime of 8-10 hours. It can operate either via an external power supply (100-240 V AC) or through an integrated lithium battery. A 4-level battery status indicator provides information about the charge and operating status. Particularly convenient: You can connect up to 6 microphones, 4 wirelessly and 2 wired. If you use a transmitter module, the audio signal can be sent to an unlimited number of receivers. The integrated dual-channel receiver has up to 16 pre-programmed frequencies. Depending on the model, you will receive a sound system with 2 or 4 integrated receiving modules. Order the handheld and/or bodypack transmitter with headset at the same time. The Mipro Mobile Battery-Powered Speaker System MA-505 also features a built-in storage compartment for items such as microphones, remote controls, or power cables. - Equipment MA-505-R2 - 2 receivers for wireless microphones or headsets - 2 wired receivers for microphones - Equipment for MA-505-R4 - 4 receivers for wireless microphones or headsets - 2 wired receivers for microphones - Additional Features - Class D amplifier - Speaker with 1 tweeter and 1 full-range speaker - One-Touch Scan: Quick and easy search for interference-free channels - Automatic Channel Targeting: Synchronizes the frequency between receiver and transmitter - Sound and volume control thanks to the integrated mixer for internal and external sources - Voice Priority function: Can be turned on and off, automatically fades out the audio signal from the CD/USB/SD player when you speak into a microphone - Line-In connection for external sources.