Rudimentary fix for Logithech LS21

As part of the new planed obsolescence Logitech policy. The LS21 speakers use to stop working after 2 year use (yes, just after pass the guarantee period). I don't know too much about electronics but I came back these speakers to live again in some way.

The fix is simple, as the planned obsolescence is  programmed in the electronic components, get rid of them and use the pure hardware components.

The disadvantages are:

• lost the warranty (if any): we are going to do really bad things to these little friends
• lost the volume control: not a big deal could be regulated by the device (PC, phone..)
• lost the bass control: kind of annoying, could be regulated by equalisers
• lost the external amplification, the volume of the device will depend on the output power... No more parties with this guys 
• 
  

On the other hand the advantages are:

• not have to plug them to the external AC
• less components: more portable
• better bass sound: the box will be more empty now (yes, I don't know what to say more)
• not environmental impact and save money, you don't have to buy a new ones

Lets do it first of all we check the satellites works correctly, it could be used connecting directly to the jack.

Nicely done, we have the 2.0! now lets get the 0.1. For this we need a 3.5 jack cable. We can obtain one form the speaker controller (Yes, cut it directly).

Now we have to connect to the subwoofer. So we open it from the bottom and we disconnect the speaker.

Ok, let's remove all the no-longer valid electronic stuff:

Perfect, finally we introduce out 3.5 jack cable by the old "speaker output" hole.

 ...and do a tie.

After that we just have to connect the speaker to the cable (the colours doesn't matter in this case) and screw it again.

Great, job done! Finally we can plug both of them to the computer using a mini-jack split. 

Here is a video testing the result

Obviously it is not the same thing but we have converted a useless thing to some useful again and also avoiding to give more of money to more stuff with possibly the same result. Avoiding the planed obsolescence I bet this little bastards is going to stay with me for a few years more. 

Extra:

Man-wai Chang commented a solution for most part of the inconveniences of this fix, which consist in add a simple headphone amplifier that you can buy in Amazon :)

Well, I hope you have learnt the lesson. Don't buy Logitech again, it happens for all its new products. Hope it's been useful, any doubt, issue or say how perfect is my English: comments ;)