TDAI-3400 gives your speakers an extra boost to give you a properly good musical experience. You can easily stream music with the built-in Bluetooth connectivity.
From Peter Tyson
Lyngdorf TDAI-3400 2-Channel Integrated Amplifier and Audio Processor
Touchstone AV
Lyngdorf TDAI-3400 Integrated Amplifier and Audio Processor - TDAI-3400 USB input included as standard (BASIC)