Logitech Surround Sound Speakers Z506 (980-000430)

Logitech Surround Sound Speakers Z506 (980-000430)
computer speakers for SALES ONLINE BLACK FRIDAY DEALS 2011-CHECK SPECIAL PRICES!!! ...

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Model Of Item : 980-000430 Product Brand : Logitech Popular Rating : Reviews Rating : Customer Rating : Product Rating :

Logitech Surround Sound Speakers Z506 (980-000430) computer speakers for BLACK FRIDAY DEALS 2011 SHOPPING... Logitech surround sound speakers z506—for when you want to be moved by big, 5.1 surround sound from your music, movies, and games..../ Logitech Surround Sound Speakers Z506 (980-000430) / computer speakers Ported down-firing subwoofer pumps out deep, clean, booming bass Rich 3D stereo in 5.1 surround sound, even from 2-channel stereo sources Multiple inputs make it easy to connect your PC, game console, iPod, DVD player and more 75 watts (RMS) of balanced power and room-filling sound On-speaker bass control lets you easily dial the bass level up or down .../ Logitech Surround Sound Speakers Z506 (980-000430) / computer speakers Logitech Surround Sound Speakers Z506 (980-000430) computer speakers Special for Best deals black friday 2011 Customer Review : Very Good Sound for Price but sparse directions : Logitech Surround Sound Speakers Z506 (980-000430) Long and the short: These are pretty decent speakers, with ample bass and volume, but when no sound is playing they buzz and hum regardless of the input. Setup of the system is a breeze, place the speakers where you want them, run a wire from each of them to the subwoofer and associate the 3x 3.5mm jacks to the respective analog outputs on the computer. When I set up this sound system connected to my convention built Pc, I immediately heard a humming noise coming from all speakers. It is a pretty low drone coming from each speaker but it is very sure and clearly audible over the general fan noise of my computer. My computer is built to be as quiet as possible so maybe that's why there's not a lot of reviews that mention this. At first I assumed it was my onboard sound that was getting interference from the computer itself. However, even with the input 3.5mm jacks disconnected, the same sound is present. Thinking there was something wrong with this single set of speakers Amazon sent me out a exchange set. Pulled the subwoofer out of the box, hooked the front right speaker up (containing the power button and volume knob), and plugged it into the wall. Same noise. I've tried distinct outlets around the house and various power strips from an $10 strip to a $50 higher-end model. Same buzz, nothing connected. If you turn the volume knob all the way down it stops, but obviously no sound comes out of them at all at that point. As soon as you turn the knob up enough that your source audio would be barely audible, the hum comes back. It gets slightly louder if you turn the bass control up all the way but all my testing is with the bass at 30% or lower. That's the bad, but the good is the sound when you're listening to audio is good and the hum is unnoticeable. There's a bit of missing midrange, but good enough for a $90 streetprice set of 5.1 speakers.

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