Portable amplifier system with integrated Bluetooth receiver and USB/SD card player•Operation via mains connection or built-in lead gel battery 12 V/7.2 Ah (up to 6 hours of operating time), with automatic battery charging •For mobile use e.g. B. at sales events, lectures •Bluetooth receiver for the wireless connection of mobile playback devices •Adjustable USB/SD card player with connection for external storage media •2-way speaker system •1 adjustable symmetrical microphone input via XLR, 1 adjustable microphone -Input via 6.3 mm mono jack socket, 1 adjustable CD/tape input via RCA •Adjustable master output with 3-way tone control •Link connection (6.3 mm jack) for combining several TXA 15USB •Housing in flight case design, with folding handles •Thanks to the built-in, extendable telesco