Offered here is a beautiful pair of Bang & Olufsen BeoLab 4000 active speakers in the rare and desirable Piano Black finish, complete with a Wi-Fi music streamer for modern wireless playback. This combination delivers legendary B&O sound and design, now fully ready for streaming all your favourite Digital music and radio channels — a perfect blend of classic elegance and modern convenience. WIFI MODULE - Connect your Mobile, Tablet, NAS or any other mobile device wireless to your Bang and Olufsen set and enjoy your music true Apple Airplay or Android with Spotify, Deezer, Tindal, Itunes and many more great streaming services. ( all cables you need are including this set ) BEOLAB 4000 Product Specifications: Specifications: Dimensions W x H x D/Weight: 28 x 32 x 13 cm / 6 kg Power consumption Typical 10 watts/stand-by 0,5 watts Mains 6636 EU 230V Maximum Sound Pressure Level (stereo, pair) 97 dB Power amplifier modules 2 units, Class AB Long-term maximum output power per module* 59 watts Effective frequency range* 55 - 20,000 Hz Cabinet principle Bass Reflex Magnetic shielded Yes Woofer 11 cm Tweeter 1.8 cm Net volume 4 litres Bass equalizer Adaptive (ABL) According to IEC 268-3 and 268-5 Connections: Connections: Power Link 2 Phono (line) 1 Link compatibility: Link compatibility: BeoLink Active BeoLink PC Office