Due to manufacturer's restrictions this item cannot be shipped outside of the United States.The LSP 500 Pro Self-Powered Wireless PA System from Sennheiser is a rechargeable battery powered wireless PA system capable of up to 120-watts of peak output and 55-watts of continuous output. It is scalable to up to 20 units and designed to be controlled by the LSP 500 iPad app via its integrated WLAN connection and an optional wireless router. The unit has 3 rear-panel slots that allow you to integrate up to 3 wireless receivers into the speaker. In addition to the wireless slots, the LSP 500 is Bluetooth enabled and can playback audio from any Bluetooth compatible device. The rear-panel USB 2.0 port provides another input for your digital audio, allowing playback from tracks stored on a flash drive. You can also record the audio routed through the LSP 500 system to a flash drive via USB. The unit also features XLR in and output links for integrating a subwoofer into the system, or connecting multiple units if you do not have access to a wireless router.