S1000MKII Audiophile Active Bookshelf 2.0 SpeakersRemote control included Design features leather texture cabinet Pure sound with advanced titanium dome tweeter High efficiency Class D digital power amplification Bluetooth V5. 0 with Qualcomm_ aptX HD decoding Electronic crossovers and dynamic control based on DSP 5. 5 inch aluminum bass speaker for surge and wave bass Multiple inputs include: Bluetooth Optical Coaxial Line in Supports digital audio signal with a sample rate up to 24BIT 192KHZ