Type: 2.1 Virtual Surround System Engineering Principle: Bass reflex system with passive membrane Systempower: 300 Watts Frequency response: 25 - 30.000 Hz Crossover frequency: 150 / 3.000 Hz Woofer: 4x 100 mm (3.9"), aluminium Midrange: 2x 50mm (2"), aluminium Tweeter: 2x 19 mm (0.75"), fabric Connection: 1x HDMI® Output (with ARC), 3x HDMI® Input (with 3D, 4K), 1x Digital (optisch), 1x Digital (Coax), 1x Analog (Chinch), 1x Sub Out Features: AirPlay 2, Bluetooth® 4.0, Dolby Digital® decoder, DTS Digital Surround™ decoder, Stereo & Surround Sound bass, mid and treble control, LED Display, Remote Control, premium quality MDF-cabinet