- Bring big sound to your desktop with these Kanto Audio YU2 speakers - it's got 50 W RMS and 100 W peak power - With Class D amplifier powering 3″ composite drivers, it gives you clear highs and punchy mids - You can add deeper bass for extra impact using the subwoofer output - There's a speaker wire, USB DAC cable, and aux cable included in the box to get you started right away