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www.amphony.com the 1550 comes with two 50 amp wireless amps that need plugging in and hook up to your speakers using regular speaker wire. The problem comes when using them as surround rear speakers with home theater. However, I returned them and replaced them with Amphony wireless model 1550 which uses existing unpowered speakers. You then turn the volume down on the remote amps until you get the desired surround volume. Viola. There is a timer on the transmitter that cuts off the power automatically after a minute or so of low or no signal - a frequent occurence in movies. Theres nothing you can do to make them work.
At first, I encountered the same problem but with some tweaking found that the transmitter wouldn't cut off if you turn the signal all the way up on it and use the controls on the H. Quality, noise free wireless sound with plenty of power @ 50 amps. These work fine as remote speakers when listening to music. Pop - off they go and they won't come back up unless you crank the volume and even then not for awhile. Theater system to turn up the gain on the surround outputs to +10db - that's the trick.
What I found out was that (Supposedly) the 871's are dicontinued & they substitute the 877's hoping no one will complain. I loved them. The 871's were a more powerful speaker both in wattage & in range from the transmitter. I tried to purchase another pair & ordered them at Amazon but through an outside vender. as it stands I still have not been able to locate a set of 871's altho there is one other company on Amazon who claims to sell it but I have to contact them to find out if they also are pulling the same scam.
One speaker quit working recently, probably because I had it blaring at full volume for 10 hrs a day. After a bit of hassle I was finally able to return the speakers for a refund. I asked about this & was told that they still advertise the 871's because they "sold a ton of them" & claim that the 877's are the manufacturers replacement, except that the 877's are listed separately with their own specs, NOT as a replacement. But as far as the revue for the AW-871's. I bought the AW-871 speakers over a year ago & loved them.
Unfortunatly they sent me the less powerful AW-877. So.
Always. My advice. These are unfortunately a poorly-crafted example of shoddy, hastily-assembled garbage that has become the norm in consumer electronics these days. The bass is MUCH too strong, even when I have the bass/treble levels on my stereo set at flat or below, the beats rattle the speakers with distortion and muffled static. Always ALWAYS run regular speaker wire to your speakers if you can, only use the AW-871, the AR-871, etc. as a last resort. Probably made in China. My one speaker is 15 feet from the transmitter, and STILL cuts out with regularity, despite me following the instructions and trying a bunch of different things to get them to work properly.
Only go with this or ANY brand of wireless speaker if you absolutely have to. There's a reason Bob Barker refused to use anything but a traditional long wired microphone up until the day he retired, he realized the truth that many people either don't talk about or refuse to admit: wireless just doesn't cut it and will ALWAYS be inferior to hard-wired speakers and such. I took a chance on these after reading the dozens and dozens of poor reviews here on Amazon, and I'm sorry I did. The range is quite poor, and the sound quality is abysmal. I've come to discover the dirty little secret of the electronics industry: that this kind of unreliable clap-trap is the norm with ANY wireless technology, and you will never EVER have these problems and inconsistencies with a regular traditional wired speaker, which is what I should've gotten in the first place.
So if you want to use them on an older receiver such as my you will have to do the same or purchase a converter. Also, I use them for surround speakers and are using them through the headphone jack on my receiver. Oh and this review is for AW-877, the company sent me the wrong product. I have to say that this isn't a bad set up for the price. It was really easy to get up and running and the sound quality is quite good, except for some "popping" that occurs occasionally in the right speaker. As for me the pros outweigh the cons.
Would stay away from this product. I sent them back for a replacement and I think the company sent me back the same speakers I sent back. I'm really disappointed with these Acoustic Research AW-871 Wireless Stereo Speakers. They have alot of static even when there's no sound come through them. They work no better this time then before I shipped them back.
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