2004-04-19 SONY MDR-DS3000 物欲 http://www.kakaku.com/prdsearch/detail.asp?ItemCD=204665&MakerCD=76&Product=MDR-DS3000 http://www.amazon.co.jp/exec/obidos/ASIN/B0000CGNRC/qid=1082392073/sr=1-2/ref=sr_1_10_2/250-0006213-1683457