YU4 is a studio monitor with a maximum power output of 140 watts. Its Class D amplifier effortlessly fills any room with rich, spacious sound. Carefully designed 4" Kevlar® woofer cones and 1" silk dome tweeters perfectly reproduce your favorite songs, allowing you to enjoy them to the fullest. Packed with connectivity, YU4 makes it easy to play your latest vinyl with a built-in phono preamp, or simply sit back and stream your carefully curated playlist via Bluetooth. Crystal-clear, detailed sound for everyone to enjoy. Walnut wood finish.