Multiroom speakers. 300 W, Digital Class D amplifier. Tweeter: 2x1" textile tweeter. Woofer: 2x4,5". Subwoofer: 8". Frequency range: 45-22.000 Hz. Crossover frequency: 2.500 Hz. Subwoofer: 30-120 Hz. Variable crossover frequency: 50-120 Hz. Variable phase: 0-180 degrees. Top dimensions: (HxWxD): 155x365x190 mm. Subwoofer: (HxWxD): 500x365x190 mm. Functions: Spotify Connect, Apple Airplay and Bluetooth®. Audio formats: MP3, WMA, AAC, FLAC, Apple Lossless. Inputs: Wi-Fi and Ethernet, Bluetooth® 4.0, RCA and 3,5 mm stereo. Output: RCA sub-output. Version: Imitation leather with hand-stitched seams and aluminium