The innovative active speaker TERRATEC CONCERT BT 1 is constructed out of the best materials .This high quality speaker can easily be wirelessly paired with your smartphone, tablet and otherBluetooth enabled devices. Via the line-in / AUX input you can also connect other audio sources likeMP3 player. To provide an excellent sound quality this speaker is equipped with a digital amplifier ofYamaha and 2-way Mivoc speakers.- Wireless multimedia speaker- High quality materials used- Innovative controls- Built-in Yamaha amplifier- 2-Way Mivoc speakers- AUX input