FeaturesConnectivity: Bluetooth / S/PDIF / RCA stereo140W RMS total power outputActive 2.0 Hi-Fi speakers6.5” Kevlar driver & 1” tweeter for pristine soundBi-amplification for accurate sound reproductionThe Thonet & Vander KUGEL Wireless Bluetooth Active Speakers with Advanced Hi-Fi Technology stand out for their audio performance. Innovative technology in these studio monitors provides a superb sound quality - optimised to play in perfect balance - redefining the home Hi-Fi listening experience to a new level of perfection.INCREDIBLE AUDIO140W RMS total power output. Each speaker features a 6.5\" aramid fibre driver and a bass resonance system to optimise the performance of low frequencies, and a 1\" silk tweeter for pure high tones.ADVANCED HI-FI TECHNOLOGYBi-amplification reduces distortion and improves overall sound quality by sending each driver only the frequencies it\'s designed to accurately reproduce.YOUR MUSIC, YOUR WAYA premium DSP with active crossover provides total control over your listening experience. Make adjustments to the treble and bass directly on the speaker or via the included remote.GERMAN ENGINEERING & DESIGN - HDAATM: High-Density Acoustic AbsorberThonet & Vander speakers are made from a specially constructed high-density wooden fibre, developed to be more rigid and dense than MDF (which is typically used).  These properties prevent the acoustic enclosures from vibrating, or delivering sound through their walls, resulting in a more efficient performance when compared to other similar speakers whose design involves several materials such as plastic, wood and MDF.