Dans le genre equipement diverses, apres avoir lu ces temoignages sur un forum US, la solution hifi pro vs HK est pas si mal:
http://x3.xbimmers.com/forums/showthread.php?t=1050967
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Hi all,
My wife bought a X4 35i and we had a look at the available audio systems.
Base system (6 speakers):
- 2 x sub-woofer under front seats
- 2 x wide range speaker in front doors
- 2 x wide range speaker in rear doors
Good sound, well balanced, bright and with a good definition. No distortion at high volume. Good bass, fast and precise but will lack the very low end frequencies (eg: Faithless - Reverence, missing the deep regular bass line) and power. Medium frequencies are very good, but high frequencies do not match. This system will play very well with almost all music but preferably classical, Jazz and Pop/Rock.
R&B, techno, trance, etc... will lack the power and bass as the system will not create the physical impact you would want with that type of music.
HIFI option (9 speakers and 7 channel Class-D amplifier - 205W):
- 2 x sub-woofer under front seats
- 1 x wide range speaker on top of dashboard
- 2 x tweeter in front doors
- 2 x medium in front doors
- 2 x wide range speakers in rear doors
Same as above, but better high frequencies, of course, especially because the tweeter is better placed in the front doors. Much more powerful bass with a very good definition and goes lower (Eg: I can hear the deep bass line in Faithless - Reverence). This system is really versatile and able to play everything with an equal quality.
H/K option (16 speakers and 9 channel Class-D amplifier with DSP for active filtering of each speaker - 600W):
- 2 x sub-woofer under front seats
- 1 x tweeter on top of dashboard
- 1 x medium on top of dashboard
- 2 x tweeter in front doors
- 2 x medium in front doors
- 2 x tweeter in rear doors
- 2 x medium in rear doors
- 2 x tweeter in D-Pillar
- 2 x medium in D-Pillar
One word: powerful!!! This system creates the physical impact you need for some music. BUT, and there's a big but, it does so by reducing the overall definition, especially in the bass that are indeed ultra powerful but lacking rapidity. This means many instruments will play the same way in the low frequencies, which is annoying with non-electronic music.
In addition, medium is not matching the bass and that's unfortunate since this is where the music lives. It is always soft to the ears, but several instruments are not soft at all, and so those are not reproduced as well as they are with the HIFI system.
On our perspective, the H/K system reduces the range of music you can listen to. If you are into electronic music mainly and want to play it (very) loud, then this is the one you want and only one.
The HIFI system has an overall better balance, and classical instruments have a better sound. This system is more natural than the H/K but not as powerful, clearly.
The base system is very good too and will be enjoyed by everyone not having specific requirements such as being heard before being seen by their neighbors when driving home :-)
Cheers
On y apprend la composition des systemes audio, ainsi que des avis pas mauvais... Globalement l'option est plus eclatante en terme d'impact sonore, et un peu mieux sur les aigu en clarté, du fait de la presence des nombreux tweeter (tdb+ arriere) mais la qualité ne va servir que des musiques qui tapent bien. Pour le reste, ce n'est pas tellement different de l'option hifi. Les systemes audio (ampli+hp) hifh et HK sont fabriqués par harman kardon, ce qui explique la similitude des rendus sonores.
