Nothing that still works well and fills a need is obsolete.
Having said that Class D amp technology has advanced since 2002 and continues to do so so the technology has improved in general. Improved bandwidth is one telling specification where available. Only you can determine whether or not that matters in your case or not.
Having said that Class D amp technology has advanced since 2002 and continues to do so so the technology has improved in general. Improved bandwidth is one telling specification where available. Only you can determine whether or not that matters in your case or not.