I recently purchased a Furhman M-8Dx merit series power conditioner, 15 amps with 8 rear plugs and one front plug. It has two lights in front that telescope out to illuminate components under it. I had a low level hum in my system that I was hoping it would address. It did not. In fact I agree with the previous comments that the primary noise issues come from specific components, even placement relative to each other. In spite of the non resolution of the hum I mentioned, I love this unit. It looks nice, and the sheer convenience of having all my components plugged into one main power switch is nice. I like the lighting. I like how it looks, it has a power read out. Does nothing for me, but tells me how much the power company in fact varies in voltage. Its a lot! I most like the phsychological idea that it provides a layer of surge protection. It also spaces the plugs on the back so you can fit wall warts easily side by side if needed. It was just over $125! Not 4 figures. It is rack mountable. I have mostly tube powered amps and pre. I find the tube selection makes the most impact on the noise floor. The only other noise problem I have is related, of all things, to my I-Pad. After buying a new RPM 9.2 turntable with a Sumico EVO II cartridge, I found the system was picking up my I-pads communication. It sounds like the old Sputnik satellite telemetry, beep, beep, bop digitized pure tones. Maddening. I thought my phono section was bad, it wasn’t. When I put it in airplane mode the noise goes absolutely away. Maddening because I source Spotify Premium which is better than CD quality. The rest is vinyl. I’m told now I need to change the tone arm wiring to a shielded variety. I guess we will try that. Back to the Furhman, I really like it but because of the conveniences and surge protection. I installed a second ground outside on my electrical system to see if that also helps. Deep copper rod into the ground. I also have copper pipes in the new home vs. vinyl, and they connect to my drilled well at 170’ deep so I think I’ve got that covered.