FeaturesConnectivity: Bluetooth / RCA stereo / 3.5mm aux-in68W RMS total power output5.25\" Kevlar driver & 1\" silk tweeterTreble and bass controls on the speakerActive 2.0 bookshelf speakersThe Thonet & Vander KURBIS Wireless Bluetooth Bookshelf Active Speakers deliver highly captivating Hi-Fi sound. Experience exquisitely balanced frequencies from extreme bass lows to crystal treble tones. These stylish speakers are the perfect accompaniment to your home, studio or office.EXCEPTIONAL AUDIO68W RMS total power output. Each speaker features a 5.25\" aramid fibre driver and a bass resonance system to optimise the performance of low frequencies, and a 1\" silk tweeter for pure high tones.YOUR MUSIC, YOUR WAYEnjoy total control over your listening experience. Make adjustments to the treble and bass using the controls on the speaker.STREAM WIRELESSLYThese active bookshelf speakers are equipped with Bluetooth, so you can stream audio from your TV, smartphone, tablet or laptop.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.