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Question about installing DSP in my W205 with audio 20

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Old Dec 17, 2023 | 09:11 AM
  #1  
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W204
Question about installing DSP in my W205 with audio 20

As you all know the stock Audio 20 is really bad. In my W204 it was perfect for me when it was completely stock, but I can't believe Mercedes accepted the stock Audio to be sold.

To upgrade this I've ordered a compete Audio System Mfit Composet with 2 midrage, 2 tweeters and 2 woofers. To get the most out of it I want to buy either a DSP amplifier or a micro/mini amplifier.

I have a question about the wiring and hope someone could help me out.

Someone offered me a Match PP82 DSP amplifier and before buying I like to know what's all involved. I have to buy a Mercedes quadlock to iso wiring and then connect it to the iso connector of the DSP amplifier.
DO I then need to change anything else or is it just plug and play? Or do I need to cut wires somewhere to make this work? I don't want to cut wires while I want to make it back to OEM very easily. So hopefully it's plug and play.

The other thing I was thinking about was either a Eton M120.2 amplifier (or the ESX QS2 ISO) and then connect it directly to the subwoofer cable (with a 2 wire adapter) at the footrest of the passenger. There's also a lot of possibilities for 12v and earth cable over there. I'm wondering though if this would work. Do I also need a remote cable for it? Do I also need a high/low convertor or something like that?

Thanks for your input!
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Old Dec 17, 2023 | 08:04 PM
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From: Schlüchtern
S205 220d, MY2017
I have retrofitted original Burmester Subwoofer (8") BiWired and use a Mosconi Gladen D1 130.4 for this, in my case I have chosen the DSP version. The Midrange and Tweeters are connected to the Comand system, only the woofers work with the AMP. For the Mosconi I have ordered a remote control as well.

In your case you could go for a DSP, but meanwhile I would not recommend it any more, you do not gain a real advantage of that. With a good AMP you can set all values (Gain, Subsonic, Cutting Frequencies) and will have it work without any loss of quality. You can use the ETON Micro 120.2 by using the Sub channel in the footrest. Connect it to both of the High Inputs in the ETON and level it as much as your preferred volume is to listen to the music. It has a HighFreq cutting function. By the way, most of the AMPs have that feature. For this ETON I think there is no remote available. If you come in to a situation when you need "more" you will level it again, but that is not very comfortable. Maybe you should think about an AMP with remote capabilities, such as ESX500.1, a smaller one will do as well.

Plus and minus of the power supply is next to the footrest available. My AMP is in the trunk, so I have made a special connection straight direct from the comand unit. I have used the connectors and plugs and have a separate wire in-between that goes to the AMP. But in my case I have an Android Display retrofitted as well, so I could get the connectors in between the connectors. Sounds complicated, in the end it is very easy. The hard work was to get the cable to the trunk.

Android Display S205

Amp

Sideseeing

Last edited by fotom; Dec 17, 2023 at 08:06 PM.
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Old Dec 18, 2023 | 09:00 AM
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Thanks a lot! I'll think I'll go for the Eton M120.2. it's now on sale for €120 on Amazon or so, so I think that's a bargain.

I'll use an adapter for the subwoofer wire and connect it to the high input for the Eton. Then I have to bridge them I think while then it's 2 Ohm output like the original sub cables? I'll leave the subwoofer in parallel while that's also the case in the OEM setup with burmester. With the kit I've bought there are 2 woofers instead of the little one that I have now
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Old Dec 18, 2023 | 09:03 AM
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From: Schlüchtern
S205 220d, MY2017
No need to bridge the AMP, you can use left sub on left channel and right on the right channel. The Micro is stable down to 2 Ohms.

For the connector there are adapters available, you could also pin out the connector and connect it via WAGO. I have that Micro, too. Want to use it for the door speakers... ;-)
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Old Dec 18, 2023 | 09:34 AM
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Originally Posted by fotom
No need to bridge the AMP, you can use left sub on left channel and right on the right channel. The Micro is stable down to 2 Ohms.

For the connector there are adapters available, you could also pin out the connector and connect it via WAGO. I have that Micro, too. Want to use it for the door speakers... ;-)
I've bought this adapter: https://www.ebay.nl/itm/203025795305

With the Composet I've bought from Audio System there should be also a parallel connector with it for both the subs
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Old Dec 18, 2023 | 09:35 AM
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From: Schlüchtern
S205 220d, MY2017
Yes, that looks quite good.

You are from Germany?
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Old Dec 18, 2023 | 11:41 AM
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Originally Posted by fotom
Yes, that looks quite good.

You are from Germany?
I'm from Holland but I live around 5km from the German border ;-)

This is exactly the set I've bought: https://amzn.eu/d/00r0b42

Think it'll be a great upgrade especially together with the Eton... But worse then OEM W205 isn't possible :-)
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Old Dec 19, 2023 | 04:40 AM
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Still doubting a bit about the PP82 DSP which I can get for around €240 which is also pretty cheap I think.

​Have to sleep another night on it
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