Wi-Fi & Bluetooth connection supported Hi-Res AUDIO certified, supports digital audio signal with a sample rate up to 24-bit/192kHz Compatible with Apple Airplay, Amazon Alexa, TIDAL Connect, and Spotify Connect Pure sound with advanced titanium dome tweeters 5.5-inch aluminum bass speaker for surge and wave bass High-efficiency Class-D digital power amplification Electronic crossovers and dynamic control based on DSP Multiple inputs as Wi-Fi/Bluetooth/Optical/Coaxial/Line in