非常棒的试音碟，没有中文介绍， HDEND是俄罗斯音箱品牌，2007年发了两张测试碟，本专辑是其中之一，2008年出了一张超低音测试碟，次碟低频相当震撼，绝对是检验低音器材的好工具。

HDEND: Audiophile Air2 — CD2007
Genre: Audiophile; Pop; Rock; Class; Jazz...
Release 2007 | [CD2 Not for sale] | 76:27:35

Take pleasure in a sound scene CD. With which it is possible for a composition not only test to quality hi-fi and hi-end etc. but also simply to listen.

Presence of expensive technics will open to you improbably air picture and frequencies…