I have had the PS Audio Power Punch on my home threatre system for several years and can't say it helped my Yamaha HTR-5890 much sound better, maybe nothing can. However, a couple of weeks ago I bought a B&K ST-202+ amp on the used market and the Power Punch made a world of difference. Before adding it to the system, I was ready to sell the 202+, not now. It transformed the sound of this amp with improvemnts in detail, treble smoothness, midrange clarity and especially in sound stage. Sound stage now has way more depth and instruments are in their proper place. It was a miracle. The B&K now bets my Adcom amps in every way. Thank you PS Audio.

Everything.Bass and separation of instruments are amazing at this price.I was getting some noise from my fm tuner powercord and replaced it with this and no more noise.Very good shielding.

None.

Very good power cord.The price is silly for what the cord does.Excellent entry level cable.

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audioquest