Most Helpful Customer Reviews
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34 of 34 people found the following review helpful:
5.0 out of 5 stars
Going digital has never been easier!, September 3, 2004
I have wanted to go digital for long time. My Logitech Z-5300 was an amazing set of speakers, however its lack of digital inputs/outputs isolated its potential to the home PC. Finally, the price of the Logitech Z-680 dropped to an affordable price.
I sold my Z-5300s to another student in my dorm, and purchased the Z-680 from Amazon.com. Amazingly, I received the set within 2 business days via UPS Ground. Needless to say, I am immensely satisfied with Amazon.com.
Thankfully, I had recently purchased a Philips DVP642 player as well, and after reading that the video coaxial RCA cable was the same as the digital audio coaxial, I was all set and ready to go.
So far, I have tested the DVDs Matrix: Revolutions and Lord of the Rings, The Return of the King. I was amazed by the quality of the sound. However, I agreed with the other reviewers that the bass was a bit boomy, especially in Matrix Revolutions. This can be easily remedied by lowering the level of the subwoofer.
When playing my DivX encoded AC3 movies, I saw that changing to Dolby Movie Mode 2 was almost the same as having true Dolby Digital 5.1 surround sound. It did an excellent job of separating the audio tracks among the voice, music, and sound effects.
Edit 9/25/04: Please read my latest update which explains the difference between Dolby Prologic Decoding and Dolby Digital 5.1. Knowledge is Power!
I have yet to hook my Z-680s to my home PC, but there was very little hiss while my set was hooked up to my DVD player. The hiss was certainly not loud enough to warrant annoyance or disturbance.
Update 9/06/04:
I hooked the system up to my PC via coaxial s/pdif. There is no hiss at all. However, when using the analog connections, there was a very noticeable hiss. I could even hear it 3-4 feet away, which became very irritating.
Trust me, if you buy the Z-680s, do yourself a favor and use the coaxial connection. You won't regret it. I have decided to leave the Z-680s as my personal home theatre system as opposed to hooking them up to my PC.
Last note: the Philips DVP642 is the perfect complement to the Logitech Z-680s. You cannot go wrong with them. Having the two items has been a blast.
Update 9/16/04:
Still loving the Z-680s. I have it hooked up to my suitemate's Xbox, TV, and the Philips DVP 642. Since the Xbox and TV both use analog inputs, I used the handy RCA to 1/8 converter included with the Z-680s. I also purchased a 1/8 splitter. I am considering purchasing the Xbox Advanced AV Pack to utilize the optical connection on the Z-680.
Warning: the subwoofer has become ridiculous...after breaking in the speakers for two weeks, normal levels of bass not only shake my whole 5th floor, but the 3rd, 4th, 6th, and 7th floors-no kidding! Surprisingly, the 4th and 6th floors received the most impact--those vibrations go a loooong way! Remember, if you buy this unit, keep the bass at 20%, unless you are watching Star Wars...then pump it up!
Update 9/25/04:
There have been claims that Logitech has been falsely advertising their product as having true Dolby Digital 5.1 when allegedly, they only had Dolby Prologic II decoding.
Now, there is a big difference between the two. The Dolby Prologic decoding technology has been around for a looooong time; I can remember it since 1991 when my family purchased our first home audio set. Dolby Prologic takes stereo channels and converts them into a surround sound environment--to good effect, but nonetheless hardly comparable to true Dolby Digital 5.1, a more recent technology which directs its sound with far greater accuracy to all six channels, frequency, clear separation of effects and dialog, and clarity than Dolby Prologic.
I too, became a concerned consumer after hearing these rumors on forums and consumer reviews on Newegg and here on Amazon. My product box did not dictate clearly whether it had one decoder or the other or both, so I decided to call a Logitech technician. Thankfully, the the Z-680s came equipped with the ability to decode both Dolby Digital 5.1 and Dolby Prologic II.
So when you are playing a DVD you should see "Dolby Digital" appear on the LCD screen of the Digital SoundTouch Control Center. The Dolby Music/Movie Mode that you see when you are playing mp3s or watching a DivX movie is the Dolby Prologic II decoder at work and works very well to its credit.
In a side note, screw Dolby Digital and stick to DTS, the other digital surround sound option the Logitech Z-680 offers, when playing DVDs if the option is available. I have had a greater experience with DTS 5.1 decoding with the Z-680s in the 10 movies I have watched in comparison to Dolby Digital 5.1. DTS makes great use of the surround sound even in movies such as Zoolander [which otherwise makes very little directional use of the rear speakers]. Even my five suitemates agree that DTS has a richer, fuller sound and because of the variety of DVDs we watch during the weekends, it is difficult to say that we are influenced by placebo. There IS a difference :-).
New Setup:
Analog Input - from T.V. & Playstation 2 with stereo splitter
Optical Digital Input - from Xbox
Coaxial Digital Input- from Philips DVP642 DVD Player
Update 10/05/04:
Here is a brief comparison between Dolby Pro-Logic II and Dolby Digital 5.1 using two selected movies:
Dolby Movie Mode with DivX encoded movie Man on Fire:
Voice/Dialogue - mostly center channel with slight residual sound from front left/right speakers.
Music/Score - Evenly divided among front and rear left/right speakers
Sound Effects - Non-directional, evenly distributed. During the gun fight scene when the girl is kidnapped, Pro-Logic II simulates a surround sound effect of gun-fire, making it multi-directional.
Dolby Digital 5.1 for Man on Fire DVD collector's edition:
Voice/Dialogue - Isolated to center channel
Music/Score - Directional music: fades from front to rear speakers or vice versa, varying from scene to scene.
Sound Effects - Directional. Isolated use of rear speakers from rear left to rear right when cars drive by. During the gun scene mentioned above, distinct sounds of bullets "whizzed by" from front right to rear left speakers.
Dolby Movie Mode with DivX encoded movie Star Wars Phantom Menace:
Voice/Dialogue - mostly center channel with slight residual sound from front left/right speakers.
Music/Score - Evenly divided among front and rear left/right speakers
Sound Effects - Non-directional, evenly distributed. Surround sound lightsaber effects can be overpowering as a "large hum" especially with the Z-680's powerful subwoofer.
Dolby Digital 5.1 for Star Wars Phantom Menace DVD:
Voice/Dialogue - Isolated to center channel except in large rooms, echoes can be heard in surround speakers.
Music/Score - Directional music: fades from front to rear speakers and vice versa varying in scenes.
Sound Effects - Directional. Spaceship travel from rear left to front right. Close-up light saber swings begin from rear left and travel to front left, front right, and ends with the rear right speaker.
Update 10-24-05:
OMG! I finally got AC3 to work-but I don't know how! Well, I was playing the Casshern DVD back-up encoded with XVID and AC3. I didn't expect the AC3 to work, so I set the audio effect to Movie Mode. However, I suddenly was hearing discrete audio from my surround sound channels. Bewildered, I went up and listened closely to the center channel, and then the front left channel. Hmmm, either I was having a really good Prologic decode or this was playing in Dolby Digital! I glanced at my control pod and I couldn't believe my eyes--it stated it was decoding in Dolby Digital! Wow! Now I am going to check on all of my AC3 encodes...this is too cool.
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74 of 80 people found the following review helpful:
5.0 out of 5 stars
PLEASE READ, May 2, 2003
If you are looking at any other home theater system in the range of $270, STOP! You have found what you are looking for. This system is phenomenal, with features that rival home theater sets costing more than twice as much. The sound is amazing, and there is plenty of it; 505 watts RMS(continuous power). This system will rattle the china out of your cabinet, no doubt. The sub is 185 watts, when most systems around $500 feature a 100-watt sub. It has all the inputs and features you could want, Dolby Digital 5.1 Surround, Dolby Pro Logic II, optical AND coaxial inputs for surround sound. I have my computer, tv, XBOX, PS2, and Gamecube all hooked up to this machine, and it wasn't hard at all. I have yet to venture the volume control past 60% because that is when my head starts to hurt. Movies are immersive and music sounds awesome! This system really is incomparable to anything near it's price range. Recommended without reservation.
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31 of 31 people found the following review helpful:
5.0 out of 5 stars
Wow! Talk about Value for Money., July 15, 2003
I've heard these speakers at my local computer store. These are the best sounding among all the brands offered. Klipsch didn't sound as good and Creative Labs' isn't even an option.
The control center is the best design so far. The display and power button emit a cool blue light that is nice to see at night. Every component looks very sturdy. There are three possible connections - Coax, Optical, mini. You can use all for three different sources. Just press a button from the control center to indicate what source you would like to use.How good are these speakers? I own a couple. It may not compare to my JBL HT system which are THX-certified for true home theater use, but these cost thousands. With the price you're paying for the Logitech, it's a steal. I have Harman/Kardon Sound Sticks for my Mac and these [are unacceptable] especially for the price. I had Sony Dream System DAV-C990 which I returned after two weeks because the speakers are not only dull, they seriously need some equalization. Now for the cons:
1. The speaker cords are too thin and short.
2. The cord from the control center to the bass module is way too short and the manual warns against extending it. I want my bass in the corner of the room, and the control beside my PC.
3. The remote needs aesthetic improvement. These speakers have good, powerful bass right out of the box. Bass lovers will adore these for their games and music. Just reduce the bass from the control center if it annoys you. Best of all - these are THX-certified. You can't beat the price and quality. Even Apple has adapted these speakers for their upcoming G5 desktops. And if someone knows good design, these people do. Enjoy!
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