Logitech Z-5500

I use this kit 5.1 from one month and I find it fantastic.

Some features:
* Total RMS power: 505 watts RMS
o Satellites: 317 watts RMS (2 x 62 W front, 2 x 62 W rear, 69 W center)
o Subwoofer: 188 watts RMS
* Total peak power: 1010 watts
* Maximum SPL:> 115 db
* Frequency response: 33 Hz to 20 kHz
* Amplifier: Ultra-high-capacity analog linear
* S / N ratio:> 93.5 dB, typically 100
* Input impedance: 8000 ohms
* Drivers:
o Satellites: 7.5 cm transducer piece polished aluminum phase
o Subwoofer: long-throw 25-cm enclosure type Bass-Reflex of the sixth order
* Surround Sound Effects
o hardware decoder for Dolby ® Digital, DTS ® and DTS ® 96/24
o Dolby Pro Logic II (modes of film and music)
6 Channel Direct o
o Stereo x2
o Stereo
* Digital formats supported:
o Dolby Digital
o DTS and DTS 96/24
o PCM (uncompressed stereo): 44.1 kHz/16 bit 96 kHz/24 bit
* Input source:
o Digital Optical for CD or DVD, as well as game consoles PlayStation ® 2 and Xbox ® **
o Digital coaxial for DVD or CD players or PC sound cards (requires coaxial cable, sold separately)
o 6 channel direct (3 stereo-mini connectors) for PC sound cards 2, 4 or 6 channels or
o 6 channel direct (3 stereo-mini connectors) for 3 stereo analog audio minisources, such as a CD or DVD drive, the PlayStation 2 and Xbox, or PC sound card with 2 channels (with a dual-RCA Stereo miniadaptateur sold separately)
o Analog stereo-mini (on side panel of the remote) to CD, MP3 or MiniDisc ® Portable

After, use the sound level is of incredible quality and it has power to spare, the box is very big and restores all the bass you want.
The volume of each part is adjustable subwoofer enclosure from the center, 2 front, 2 back.
I use it for everything, but to listen to mp3 for the video although it is not necessarily the use that must be.

The value for money is really good and I do not see how this kit to be better ... It's still the amélioraion Kit Z-680 award-winning and again recconu.