SUPERIOR SOUND QUALITY - Experience crystal-clear audio with hybrid tube Class A amplification and power buffers operating at 1.411MHz/1.536MHz, delivering exceptional sonic performance. VERSATILE CONNECTIVITY - Enjoy Hi-Res Bluetooth (aptX HD/aptX/LDAC/HWA/AAC), networked audio (NAS, Airplay, Spotify, Tidal), USB/SD Card, Coaxial, Optical S/PDIF, RCA & 3.5mm inputs. EXPANSIVE FREQUENCY RANGE - Hear every detail with a wide frequency response from 27Hz to 40kHz, ensuring rich bass and clear highs for an immersive listening experience. POWERFUL AUDIO OUTPUT - Experience room-filling sound with a maximum SPL of 115dB at 1 meter, driven by 4 x 4.5' wideband drivers and 2 x 1.1' silk dome tweeters.