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[WIP] First mod, Sennheiser HD201 wireless+wired mod

post #1 of 8
Thread Starter 
I got bored about a week ago and started working on making my HD201s wireless.
So far I've got the battery+charger+16gb storage in the left cup and wired the speaker and battery across through the headband to the right cup.
I've added a 3.5mm socket on the right side and soldered the speakers to it so I could still use them while I wait for the bluetooth receiver to come in the post.

So far I'm happy with how they're turning out, this is the first "mod" I've done so I was surprised I didn't scratch anything up too bad and got all the holes the right size without breaking anything.
I'm planning on having the bluetooth receiver and a fiio e5 amp in the right cup both using the battery from the left cup, the bluetooth receiver will go through the amp and the wired will optionally go through the amp with a switch (if the battery goes flat, I can still attach a cable and use them normally).

The biggest trouble I think I'll have is how I'm going to use the buttons/make buttons, my soldering/desoldering is not good enough for the small buttons on the fiio PCB and I havn't seen the receiver internals yet, so I'll either try to figure out how to extend the buttons out which may be hard as I don't know where everything will sit inside the cup yet or I might make the outside cap removable (Hold cap closed with magnets, ad a small groove so I can take it off?) Not sure yet, I guess it all depends on how everything will fit into the cup.

451

Pictures: http://www.azkay.com/headphones

Feedback/Suggestions?
post #2 of 8
Wow thats amazing!! How to they sound with all that stuff added inside? about how long do they last before having to recharge the battery?
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post #3 of 8
Thread Starter 
They sound the same as they did before I touched them, to me anyway.
Don't know how long the battery lasts yet, I havn't got the receiver or amp in yet, so the battery is wired to nothing.
post #4 of 8
That is intense. I just did a rewire on mine last week and didnt think there would be much room to do any sort of wireless mod to the headphone.
Ah of course, this should be very interesting when you've finished.. So far its looking good haha.
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post #5 of 8
Thread Starter 
After I took off the plastic casing on the inside that was covering up the back of the speakers there was a lot more room to work with, at the expense of leaking sound probably.
post #6 of 8
Thread Starter 
Bluetooth receivers came in today, glad I bought two- I ruined one of them.

Finished, http://www.youtube.com/watch?v=6O6VVgFoSg0
post #7 of 8
Wow that loooks sick. Haah you should turn around and sell these to sennheiser lol.

How long did it take you from start to finish? Minus the waiting for the parts in the mail.

Looks good. Id like to see this done on another set of cans!!
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post #8 of 8
Thread Starter 
I was watching movies/shows while making them so that probably added onto the time. But in all it would've probably taken around 2 days with an allnighter.
I know they last at least 8 hours, I was timing them with constant music to test the battery, after 8 hours I went to bed and stopped timing.
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Overclock.net › Forums › Case Mods & Cases › Other Hardware Mods › [WIP] First mod, Sennheiser HD201 wireless+wired mod