Panzo Posted March 10, 2018 Share Posted March 10, 2018 Hey team, My H&K amp in my 2011 legacy recently died, leaving me with absolutely 0 audio. I’ve been looking for a replacement that isn’t going to cost me 1000$ Canadian pesos. I keep monitoring eBay and local listings for the part number: 86221AJ21A. Every time I search I keep getting some results but the part number I get as a result is: 86221AJ11A and sometimes 86221AJ10A. All three amps look the same! Can anyone help me identify if they are all interchangeable? If not which amp can I use that would replace my current amp: 86221AJ21A? My car is the 2011 legacy sedan with hk premium audio no navigation Thank you in advance. Link to comment Share on other sites More sharing options...
utc_pyro Posted March 10, 2018 Share Posted March 10, 2018 The amps have different software version on them for the DSP. It'll vary for interior type, and if you're a sedan/wagon. Within sedan though, it wont be a huge difference if you switch between leather and cloth interior version. Link to comment Share on other sites More sharing options...
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