SCANSONIC M6BTL SPEAKERS ACTIVE BLUETOOTH IN HIGH GLOSS PIANO BLACK Coming from Scansonic, the baby sister brand of uber high end Danish manufacturer Raidho Acoustics , the M6 BTL is a very high quality pair of ribbon tweetered floorstanding loudspeakers with built in amplifiers and bluetooth connectivity. These represent a true sonic bargain as a traditional active pair of speakers with the added benefit of aptX Bluetooth connectivity. Well reviewed here: http://www.hifiplus.com/articles/scansonic-m-6-btl-bluetooth-enabled-loudspeaker/ Technical Specifications Type: 2.5 way active loudspeaker with audio connections Inputs: 2.4GHz aptX, one Toslink optical inputs, two RCA PCM inputs Amplification: 60 W Class A-B Drive units: 1 sealed ribbon tweeter with kapton/aluminium sandwich membrane, two paper-polypropylene coned 114mm bass/mid driver with underhung magnet system Enclosure: Heavily braced, ventilated box design with front loaded port Freq. response: 50 Hz–30 kHz Impedance: >?4 ohm BRAND NEW, FULLY BOXED WITH FULL WARRANTY. COLLECTION ONLY DUE TO WEIGHT.