I recently purchased a used 2012 Audi Q5 2.0T that was loaded with all the options including the Bang & Olufsen sound system. I didn't have a chance to listen to the sound system before buying the car but read a lot about it online and was looking forward to an amazing sound system since I'm a music buff and I need my tunes when I drive. My previous car was a 2010 BMW M3 and it had an amazing loud and clear sound system (~800 W)-- so i had high expectations of this system especially after watching all the Youtube vids on it My first experience listening to the stereo was extremely underwhelming (no bottom end) and matched the opinions of others -- not loud enough and no bass. Since I listen to house music mainly- I was compelled to change this immediately. There's not a lot on the internet to see that is similar -- so I thought I would share my design on this forum.
I brought the vehicle to Ralph's Radio here in Vancouver -one of the oldest and most experienced shops in my city. I told them to use the spare tire area as the place to put the amp and sub assembly since I wanted a stealth installation. I felt little need to keep a spare tire there as I am city dweller and can call a service station if I have a flat. If I go on a long trip I can always throw the spare in the back. I was very surprised at how heavy the spare is!-- it must be at least 60 pounds!
I wanted a LOT of bass so I decided to go with a 12" sub. My install uses the Audiomobile Elite Series Shallow mount subwoofer -- its very cool in that is only needs a 5.9 inch mounting depth -- which fits in the spare area easily. The sub is very high quality and is capable of handling up to 1200 watts.
http://www.pasmag.com/car-audio/repo...-12q-subwoofer
The best part about this sub it that it only needs a 1 cubic foot sealed enclosure (29L) which is tiny! A box that small is easy to fit in the confines of the spare tire well. A custom vented cover was made with carpet that very closely matches the OEM carpet so the cargo capacity of the rear of the vehicle is unchanged (my #1 priority).
The amplifier is a Hertz HCP1DK Compact series running at a 4 ohm load putting out a clean 740 watts RMS
http://www.hertzaudiovideo.com/wp-co...14_HCP1DK1.pdf
I also have the Hertz HRC Sub volume remote control so I can adjust how much bass there is -- i use it a lot
I added a 1 Farad capacitor to back up the current running to the amp. That's the big black thing attached to the side of the sub box
The back of the vehicle was reinforced with extra sound damping vinyl to reduce vibration and I'm very glad I did because this sub is incredibly loud and powerful. The bass output is outstanding now and hits hard with really clean bass. Even though the bass output is astounding it surprisingly does not overwhelm or drown out the rest of the stereo at all . I highly recommend this combination if you like hip hop or EDM. The transformation is incredible!!
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Originally Posted by ibiski
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