Acoustic guitar is the wood guitar that everybody usually recognizes. People might be more familiar with the term classical guitar. Acoustic guitars are unplugged and could be divided into acoustic guitars and classical guitars when it comes to performance style. http://chestrod6.xtgem.com/__xt_blog/__xtblog_entry/__xtblog_entry/25000783-2-overall-performance-varieties-of-acoustic-guitars-popular-original-equipment-manufacturer-acoustic-guitars?__xtblog_block_id=1#xt_blog