π LAB POINTS high-end powered hifi speaker active speakers w/ individual amplifiers in each unit, no need for external amplifier KEF's patented Uni-Q drivers deliver a larger sweet spot and more even sound dispersion than conventional speakers subwoofer output (we recommend KEF K62) streaming via AirPlay 2, Chromecast, Spotify and Tidal customizable EQs via KEF Connect app awarded best EISA Wireless Bookshelf Speakers 2023-2024 "The LSXs need to be heard to believed. The clarity and imaging is unparalleled for an active speaker. With its patented Uni-Q technology (tweeter and woofer sit in a single array vs. separate), the LSX II features true room-filling sound that doesn't rely on sweet spots. If the LSX II is in or near your price range, we highly recommend this model." - TTL π KEY FEATURES speaker type: active speaker for hi-fi listening peak power output: 200W amplifier class: Class D frequency response: 49 Hz - 47 kHz high frequency driver: 3/4" aluminum dome low frequency driver: 4.5" magnesium / aluminum EQ: custom wired inputs: Optical (TOSLINK), 3.5mm line, HDMI ARC, USB Type-C, Ethernet wireless inputs: Bluetooth outputs: n/a phono preamp: n/a headphone output: n/a subwoofer out: yes, RCA dimensions: 6.1" (w) Γ 9.5" (h) x 7.1" (d) / 155 x 240 x 180mm weight (total): 15.6 lb / 7.2 kg π¦ COMES WITH speaker interconnect Ethernet cable (9.8') remote control