KEF LS50 Wireless II Powered stereo speakers with Wi-Fi, Bluetooth, and Apple AirPlay 2 (Carbon Black)

Available streaming services include: Spotify Connect, Tidal, Amazon Music, Qobuz, Deezer, QQ Music, Internet Radio, and Podcasts.Each speaker consists of a 280 watt amplifier for the mid range and 100w amplifier for the tweeter.Wireless Streaming features include: Apple AirPlay 2, Google Chromecast, ROON Ready, UPnP Compatible, Bluetooth 4.2Resolution Up To: 384kHz/24bit depending on connection.Featured Inputs: HDMI eArc, TOSLINK, Digital Coaxial, Analog 3.5mm Auxiliary, RJ45, WiFi

Bi-amped design with separate woofer and tweeter amplifiers for greater headroom and lower distortionUni-Q Driver Array technology makes your entire room sound like the "sweet spot"innovative Metamaterial Absorption Technology (MAT) absorbs high-frequency vibrations to eliminate distortion5-1/4" aluminum cone wooferoamplifier power: 280 watts (Class D)1" vented aluminum dome tweeteroamplifier power: 100 watts (Class AB)connection between left and right speakers: wired (allows 24-bit/192kHz audio) or wireless (allows 24-bit/96kHz audio)frequency response: 45-28,000 Hz (3 dB)peak SPL: 108 dBMDF enclosure with elegant curved front bafflebass-reflex cabinet with patented offset, flexible port for reduced midrange colorationWireless features:Bluetooth 4.2 with aptX for high-quality audio streaming performancebuilt-in dual-band Wi-Fi for audio streaming from your networkcompatible streaming platforms include Apple AirPlay 2, Google Chromecast and Roon (firmware update required)uPnP for playing music files from your local networkKEF Connect app offers comprehensive remote control via your Apple or AndroidTM deviceocompatible with popular music streaming apps, including Spotify (via Spotify Connect), Tidal, Amazon Music, Qobuz, and Deezeroprecise digital signal processing controls allow optimal room integrationConnections (located on primary speaker):HDMI eARC (accepts signals up to 24-bit/192kHz) for improved sound from a compatible TVToslink optical digital input (24-bit/96kHz)coaxial digital input (24-bit/192kHz)RJ45 Ethernet port for network connection (24-bit/384kHz)analog 3.5mm auxiliary inputUSB Type A input (for service only)mono RCA subwoofer outputsupported file formats (all inputs): MP3, M4A, AAC, FLAC, WAV, AIFF, ALAC, WMA, LPCM and Ogg Vorbisalso supports DSD files up to 12.3 MHz and MQA files via network connectionDimensions and warranty:7-15/16"W x 12"H x 12-1/4"Dweight: 44.31 lbs. (both speakers)warranty: 1 year