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      11-27-2016, 06:15 AM   #12
stef82600
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Drives: Bmw 320dA modern Touring 2013
Join Date: Nov 2016
Location: France, near Toulouse

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Hello everybody,

i am new to the forum, and i am searching some advices for the underseat options. I am in Europe and just bought a F31, with the base audio (then 4 mids, 2 underseat and no amp).

I have started to upgrade with IFBMW-S kit. And i am ready to install a 5 channel Helix PP50 DSP. I would take the opportunity in the same time to replace the underseat.

My first question is : would you just make the "plug and play" amplifier installation, keeping the underseat on the same line than the front speakers? Or is it interesting to use the 5th channel (intented for sub) to connect directly the two underseats? In this configuration i am afraid to have a "hole" in the frequencies, and to have difficulty to manage the settings.

For the underseat, i am interested by focal, but they are quite expensive. I have found a good deal for Ampire BMW-W1 but i have difficulties to get feedbacks : what do you think ?

Stéphane
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