<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:blogger='http://schemas.google.com/blogger/2008' xmlns:georss='http://www.georss.org/georss' xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-395965318370002814</id><updated>2026-05-14T17:29:24.458+08:00</updated><title type='text'>DIY Simple Headphone Amp Tutorial</title><subtitle type='html'></subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://williamneo.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/395965318370002814/posts/default?redirect=false'/><link rel='alternate' type='text/html' href='http://williamneo.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>1</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-395965318370002814.post-3200352224402507810</id><published>2008-01-04T17:21:00.021+08:00</published><updated>2024-08-27T22:58:32.310+08:00</updated><title type='text'>Cmoy Amplifier</title><summary type="text">
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DIY Simple Headphone Amp TutorialBy Cmoy Design (Mini Pocket Amp)

Cmoy amplifier is currently the most popular headphone amplifier for beginner to DIY. It only use a 9v battery to drive this headphone amplifier, and it sound excellent! The complete headphone amplifier it self is very small, you could </summary><link rel='replies' type='application/atom+xml' href='http://williamneo.blogspot.com/feeds/3200352224402507810/comments/default' title='Post Comments'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment/fullpage/post/395965318370002814/3200352224402507810' title='227 Comments'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/395965318370002814/posts/default/3200352224402507810'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/395965318370002814/posts/default/3200352224402507810'/><link rel='alternate' type='text/html' href='http://williamneo.blogspot.com/2008/01/diy-cmoy-headphone-amplifier-for.html' title='Cmoy Amplifier'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7U7AlsTVM9rNuzGFvQnim1hQMOSkBEW9-D9pFblLDakchcPTG_bq0gc33JiXTYnpxivyvw95ZQcmGShNiooJneIokJDjMuusL_CPSlSDZEjAQJyZsQGfB4QXnK4smJt4QoxEPjBwiQfEh/s72-c/16052006(002).jpg" height="72" width="72"/><thr:total>227</thr:total></entry></feed>