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I was on a budget and this amp really fit the bill. you *will be* disapointed. dont do it if you can avoid it). I was looking for a way to get the 8 speakers I have in and outside of my house off my yamaha rx-v2700 receiver. Zone 2 on the receiver out to one of the audiosource 100 amps, zone 3 on the receiver out to the 2nd audiosource 100 amp. If you are expecting fantastic sound from an ipod that has low quality mp3's on it.
If you're amp does not work this way, there is something wrong with the one you received.Garbage in, garbage out.
I purchased 2 of them (refurbished from J&R Electronics through amazon) and tested both last night.
Once I got my UDAC setup and was able to play all the lossless quality audio i have stored on my PC (mostly WMA files) the sound is fantastic and an extreme improvement overall.My setup is as follows:PC to Nuforce UDAC (purchased here on amazon) to my receiver Yamaha rx-v2700 (older receiver does not pass digital signals to 2nd/3rd zones).
I was using the receiver's internal amp to power all of the speakers (which can potentially damage the receiver itself.
I noticed significant degredation in sound quality once i got the speakers in my house on a real amp.
I am happy to say that both worked flawlessly.A few things:As others have mentioned, you need to use input 2 for the amp to stay on without cutting out.This amp is meant to be able to use A, B, or *BOTH* A+B at the same time.
Meaning that I can either listen only in my living room (A) or my kitchen (B) or both my living room and kitchen at the same time (A+B).
My PC is upstairs, reciever is downstairs so I used a USB to ethernet adapter to run through the walls (75 ft of Cat6a) and locate the Nuforce UDAC closer to my receiver.
Then from the amps out to the speakers throughout the house (Garage/Back deck on one amp, and Living Room/Kitchen on 2nd amp).
Unfortunately, as noted by other reviewers, the auto-sensing feature is not very sensitive. You can probably tell that I'm not an audiophile; I was looking for something simple that I can put out of site and not have to worry about. I use this amp to connect an HP Touchsmart PC in our kitchen to one set of in-wall speakers and one set of outdoor speakers. If I turn down the volume on the PC to a pretty quiet level, the amp goes into standby and turns the speakers off. This amp meets those needs. The sound quality has been good, and I've had no problems with the amp in my month of using it.One complaint: I was hoping that the auto-sensing feature would allow me to put the amp in a hidden place and not have to mess with it. So I have to leave the volume turned up on the PC and turn the volume down on the amp itself. It's a fine solution (and keeps me from ever having to turn the amp off altogether) - but it's a minor annoyance.Still, overall, I am happy with the product and have not seen any other product that met my needs nearly as well.
now the website for the store is under construction, i have not recieved the amp, and they will not respond to phone calls or emails. i found another one at a different store and purchased it.
i plugged it in and everything worked fine for a few minutes. i purchased this amp as an add on for one of my customer's home audio systems.
the store i bought it from has no more to replace it so they gave my money back. i turned it off to add cables to the tv, and while it was off, it caught on fire.
the manufacturer says that was an amazing fluke. that was a month ago.
i want my money back.
The purchase of the amplifier was superlative from start to finish. The description fully covered the item, the Amazon web page easily facilitated the purchase, and shipment was just plain fast. I received the item sooner than expected, the item was securely packaged, and works like a charm. I am very pleased with every part of this transaction
I've had the amp plugged into Sony B3000's; slightly better base, but much bigger next to a teevee.Thinking of buying another one to replace an older, dying Onkyo receiver unit in the finished basement. They're supposed to be rear channel speakers, but they're more than sufficient for home audio for me.
I certainly didn't get a lemon; I've considered calling the customer support line to just say thank you. So, if you get a lemon, it looks like you're out another $85 to replace it.
There's a volume knob, and I leave the rest alone.If it matters, it's plugged into Polk TSI100's. Expecting the customer support is nonexistant, but for $85 for a working amp, I've gotten more than I paid for.It sounds good, even with the volume turned up.
Clear, no noticeable noise.It was dirt cheap, even compared to the rest of the Chinese imports.It shuts itself off when no signal is coming in, so it doesn't suck down electricity or overheat.It has two inputs, that auto-switch; television is hooked to one, and Airport Express + turntable to the other, with a Y-cable.There's not a million confusing buttons, confusing displays, or anything else. Decent bass, even.
Hrrm.
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