Imported post
Just curious, I do not see anything in the forum about the separate amplifier and speaker options that are available.
There is the stock HU-613
It has three amp options: 4x25, 4x50, and 4x75
It has three speaker options: performance, high perf, premium
Then there is the HU-803
It has one option: Audio Max
Who has some knowledge of the differences in specification of the speakers and the amps. There seems to be a question if the 4x75 amp is even available and then a second question about the differences between the speaker packages.
I am interested in what the differences are in the speaker groups. The cone material is likely the driving factor, probably magnet size as well. Seen any specs?
On the amp: power differences are rather clear, but are the THD levels significant?
I know that a couple of you have purchased the upgrade, but what about the options individually. Apparently the HU-613 is very similar in specification as the HU-803, but is four channel limited rather than 4 + center +1 simulated PLII. Otherwise, any major differences?
Any info, prices, experience is appreciated.
Current Volvos
2012 XC70, OSD, Twilight Bronze/Espresso
2008 C70, OSD, Celestial Blue/Cream Sovereign
Former Volvos
2009 XC70 Oyster/Black
2006 S60R Black Sapphire/Nordkap
2003 XC70, OSD, Ash/Espresso
2000 S40, Ice White/Black
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