Sennheiser Serial Number Location

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  1. Sennheiser Serial Number
Sennheiser serial number

Click to expand.Don't worry, your 650's are alright. I also got mine recently from Sonic Electronix, and have the same packaging setup, with similar serial number. Definitely have the newer metal mesh driver plate. The difference between the old/black and newer/silver driver plate is pretty stark.

If we were to find the exact type of foam and the exact dimensions, someone with the right machinery could puke them out fastly and accurately. I'd pay for one, but I wonder if Sennheiser would allow someone to do that.

Sennheiser Serial Number

Tyll has a very useful comparison picture. It shows only the older/black plates for the 600, but the color/look is the same. EDIT: Phil, I'm more concerned about what the hell happened to the top of your clothes dryer. Hi Mate, I definitely think the HD650 is a better headphone. But HE5LE and HD650 are very different and somewhat complementary. IMO, the HE5LE has more impact in the bass and low end extension. More 'ortho' bass with gobs of slam.