http://forum.lowyat.net/ Sat, 27 Jun 2026 00:59:48 +0800 FeedCreator 1.7.2 http://forum.lowyat.net/topic/942151 I&#39;d jst recently purchased Portable Amps <a href='http://www.head-fi.org/forums/f105/pictorial-impression-fiio-e5-sample-vs-final-product-382627/' target='_blank'>Fiio E5</a> which in early testing, i didnt notice any differences in SQ, but as testing period goes on it seems lik sonic improve slowly 2 b crisper &amp; detailed. I know headphones hv burn in period, but does dis applies 2 amps as well? <!--emo&:blink:--><img src='http://static.lowyat.net/style_emoticons/default/blink.gif' border='0' style='vertical-align:middle' alt='blink.gif' /><!--endemo--> Any1 hv any idea izit de differences in SQ iz brought upon by burn in, o its jst dat my ears gotten used 2 hearing de amps sound o sum other factors? I&#39;d tested de amps on SE handphones vit both Koss Spark Plug &amp; Senn HD 205, alternating btw 2 headphones on variety of musics ranging fr classical to R&amp;B to electronica to rap-rock, with burn in period of 10hrs+ crimson void Audiophiles Fri, 20 Feb 2009 12:48:50 +0800