Do you use a Spike Protector? You should. Surges coming in from the power line can freeze your instrument and shorten its life.
Are you using BALANCED CABLES for your Audio?
Kurzweil highly recommends using Balanced Stereo Outs (TRS) to get the most dynamic range out of your sound card.
SPECIAL FROM ALTERNATE MODEFor one low price receive:
1 10 Outlet Power Surge Protector w/ Sliding Safety Covers - 2880 Joules
2 10' TRS Balanced Stereo Cables for KS, high quality audio cables at great savings
THIS IS A U.S. PLUG IN ONLY!