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A4 B5 Chassis - Sandard Speaker Sizes?

Discussion in 'In-Car Entertainment' started by Hairy Ballbag, Apr 7, 2007.

  1. Hairy Ballbag

    Hairy Ballbag Member

    Mar 28, 2007
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    Hi, I am looking to change the speakers in my A4 as the Bose ones probably get fried by my amps from my previous car... (4 x 150w RMS @ 4 ohms)

    Does anyone know the standard speaker sizes and more inmportantly, what mounting depth you can get away with in the front?

    I'd guess the fronts are 5.25 and rears 6.5...
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  3. AndyMac

    AndyMac Moderator
    Staff Member Moderator

    Jun 10, 2003
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    The fronts are 4" components but you can fit 5.25" units, but it's tight as the depth is only about 60mm (including the adapter) so you need speakers that are no more than 50mm deep. They are also mounted slightly angled upwards which makes is a pain. You need slim components whatever you choose. I used Rainbow 230slx's and had to carve away some of the inside door edge to get the panel back on. The panel is the real limitation, no speakers on earth are going to give you any mid bass (let alone actual bass).

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