Music Streamer with AKM AK4499EXEQ DAC, OCXO Clock with PLL, 10MHz External Clock Input, Touchscreen, Balanced Preamp, R-2R Volume Control, Evotune Pro Room Correction, Subwoofer Out, Roon Ready, SFP Port, Internal NVMe SSD Slot, CD Player, Bluetooth, Wi-Fi, and Streaming Compatibility