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Your cart is empty.AudioQuest PowerQuest 303 is a high-performance power conditioner with 12 AC outlets (4 High-Current outlets for amplifiers and 8 Linear-Filtered outlets for source components), a 2m detachable AC power cable, and 2RU rack ears for simple rack-mounting.
Bob H.
July 12, 2025
Noticeable difference in my sound system
Don
May 19, 2025
Using the 303 with the stock power cable which is the equal to AudioQuest x2 cable, I did not notice any improvement in picture Quality on either apple tv or regular tv stations. Apple music on apple 4k tv showed an increase in sound stage, a little more ambience and more fine details in the music. Next I connected the Audio Quest y2 power cable to the 303, this time I noticed an increase in contrast to the picture on both Apple 4k box and tv stations and a little sharper as a result. There was a larger impact to the music this time the noise floor dropped even more. The sound stage spread out further and deeper and more 3d. Now the musical instruments spread out evenly across the stage. Music had more body, bass was stronger. Music in Dolby Atmos had even greater channel separation. Classical music in Atmos was very smooth against what felt like a black velvet background. That shows that the quality of the cable really does matter. Don.
Bill
November 27, 2024
I added this to my 2-channel audio set-up with a Naim Uniti Atom, Music Hall TT, and Denon DVD-9000. It filtered my very noisy power feed brilliantly. I can't imagine how the higher end AudioSource products could get any better. I was hesitant due to the price but, wow, I am blown away. It's heavy, well built, and the connections are solid. I would highly recommend this to anyone with noisy buzzing power lines, and it's a surge suppressor to boot!! How can you go wrong!?
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