I'm condering buying a mains cable extention for my hifi and TV because when I move the hifi the nearest power point will be 2m away, do you have any experience with either of these:
http://www.amazon.co.uk/gp/product/B000UVTKAA/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A3P5ROKL5A1OLE
http://www.amazon.co.uk/Tacima-Conditioner-Frequency-Interference-Filter/dp/B002CIMZGU/ref=sr_1_3?s=electronics&ie=UTF8&qid=1366282917&sr=1-3&keywords=Tacima
http://www.amazon.co.uk/gp/product/B000UVTKAA/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=A3P5ROKL5A1OLE
http://www.amazon.co.uk/Tacima-Conditioner-Frequency-Interference-Filter/dp/B002CIMZGU/ref=sr_1_3?s=electronics&ie=UTF8&qid=1366282917&sr=1-3&keywords=Tacima