Rockville Blutube WD brings you a blend of modern technology and classic sound with its vacuum tube amplifier and Bluetooth connectivity. Experience crystal-clear audio with its 25 watts RMS x 2 @ 8 ohms power output, suitable for both home and small venue use. Connect your devices effortlessly via Bluetooth, USB, RCA, optical, or coaxial inputs. The built-in preamplifier and 2-band equalizer allow you to customize your sound, while the headphone output lets you enjoy private listening sessions.