Brand new with box. YU2 desktop mini-monitor powered speakers with built-in DAC. 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. INPUTS AND OUTPUTS Use the AUX input with the included Kanto 3.5mm cable to connect any device with a headphone jack to your YU2. Lighten the load on your computer’s CPU by connecting directly to YU2’s built-in DAC via a USB cable for a fully digital, high-quality audio connection. If you want a little more kick, connect a powered subwoofer to the sub-out port. SPECIFICATIONS Tweeters 3/4” silk dome Woofers 3” composite Amplifier Type Class D Power Output 100 W peak power (50 W total RMS) Frequency Response Inputs 80 Hz - 20 kHz 1 x 3.5 mm mini-jack AUX 1 x USB Outputs 1 x sub-out Speaker Terminals Active to passive knurled five-way binding post Input Voltage / Frequency Standby Power Consumption AC 100 V - 240 V 50/60 Hz < 0.5 W