我同意音量调节方面需要改进.金属做的音量调节旋钮质量不算最好不过有凹槽增加摩擦力.如果买到金属涂料的那脱漆问题也可以解决.

• The original LD2 has been replaced and updated (4 revisions to date) and the sound has changed.I did not find my unit tended to be warm.