944,000, INTUBLU invisible audio system Bluetooth receiver with integrated power supply Audio outputs: 2x10W (mono/stereo) Other interfaces: Bluetooth Operating voltage: 110-230 V Material: Plastic housing Accessories: incl. 2x X 32-4 structure-borne sound transducers packed in a box Positioning tool: (for customers) http://intublu-pos-aid.bachmann.com/de/