SILK DOME TWEETERS - YU2 features 3/4" silk dome tweeters to delivery clear crisp highs. COMPOSITE DRIVERS - The 3" composite woofers provide distortion-free, mid-range and bass tones - surprising performance for such a small speaker. INPUTS & OUTPUTS - Connect to nearly any device with a headphone jack with the built ini AUX input. YU2's built in DAC allows connection to computers via USB cable for a fully digital, high-quality audiot connection. If you want a little more kick, connect a subwoofer via the sub-out port. REAR BASS PORT - YU2 has a rear bass port that has been carefull designed and tuned to eliminate port turbulance while extending bass response. ACCESSIBLE VOLUME KNOB - Tucked neatly out of the way at the top of your active speaker, the smoothly rotating knob doubles as a power switch. Proudly designed in Canada, the YU2 desktop mini-monitor will make you believe that big sound can come in a small package. With its built-in soundcard, it can stream high-quality audio directly from your computer’s USB port, or connect directly to any 3.5mm AUX jack for maximum input flexibility. 3” composite drivers ensure a distortion-free bass and midrange, while the 3/4” silk dome tweeters effortlessly produce scintillating highs. A specially tuned bass-port on the rear extends the low end while keeping airflow away from your active workspace. If deep bass is your thing, simply connect a subwoofer to the SUB OUT port and revel in pure low-end bliss.