DALI - Zensor 1 AX Powered Bookshelf Speakers (Pair) Ideal for Streaming and Computer-Audio Systems Equipped with a built-in 50Wpc Class D amplifier Onboard aptX Bluetooth support Enjoy vibrant dynamics, proportional balances, and deft naturalism. Dimensions (HWD): 10.8" x 6.4" x 8.7"