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Item: Wyred 4 Sound SX-1000 Monoblocks (Pair) AND Wyred 4 Sound SX-500 Monoblocks (Pair) - both sets in black. Location: Canberra Price: SX-1000 Pair $2125.00, SX-500 Pair $1630.00 - plus postage and paypal, $20 donation to Stereonet per pair. Item Condition: Immaculate (see photos) Reason for selling: I'm playing - I'm very happy with my system but want to try something new. Payment Method: Pickup - Cash, Paypal, Bank transfer. Extra Info: I am selling two sets of Wyred 4 Sound monoblock amplifiers, one set of SX-1000s, and one set of SX-500s. They sound essentially identical, but the SX-1000s are higher powered (570w into 8Ohms vs 250w into 8Ohms), so they will drive a more difficult speaker with greater headroom. Both are outstanding amplifiers, and while other amplifiers beat them in specific areas I haven't heard better all-rounders for less than $10k retail. The SX-1000 retail for $3k a pair in Australia, while the SX-500 retail for $2350 a pair in Australia. The SX-1000s have won The Absolute Sound's Editors Choice Award for four years running now, and the SX-500s are just as good. The amplifiers are in excellent condition and I have all the original packaging etc. I've included photos or one set of amplifiers, and not the others, but they look identical. There are a huge number of glowing reviews on the net - I'll let you find those on your own - but here is my own review (which is, I think, a little more realistic than some of the over-the-top reviews that can be found): Well, it hasn't been 300 hours yet (the suggested run in time for the amplifiers), but I think I can put some words down now. I'll get straight to the point: the Wyred 4 Sound Sx-1000 monoblocks are something special. They are effortlessly powerful, effortlessly controlled, and effortlessly detailed - 570 watts into 8 Ohms allows means that the amplifiers just NEVER sound strained. Yet despite the high power the SX-1000s are not hulking brutes. Unlike some high power (and high end) class A/AB amplifiers I've listened to, these class D amplifiers give an even-handed performance with no one aspect of the musical spectrum receiving undue attention or emphasis. Bass is powerful but not the overdone or mechanical; mids are astonishingly detailed but have a smoothness that prevents listener fatigue; and highs are full bodied, without unnatural hi-fi shimmer. Some reviewers have suggested that these amplifiers have a presentation towards the cold end of the musical spectrum. They don't. If anything, these amplifiers are a little warmer than neutral. Some reviewers have suggested that these amplifiers have world leading dynamics. They don't. They are dynamic enough to provide plenty of drama but they slightly soften leading edges, making them, ultimately, comfortable listening at any volume with any recording. If they excel with any type of music, it is with strings, particularly the lower registers of the cello and piano. Voices also sound amazing, and impressive detail through the upper mids provides an almost holographic sense of recording space. Speaking of space, the sound-stage is both wide and high, though not as deep as some amplifiers I've listened to. Instruments are precisely placed and have good stability, however a slight softening of the highs means that plucked strings sound more diffuse than they might. Many reviews have reported (with almost plagiaristic similarity) that the SX-1000s have an unbelievably low noise floor - comments about blacker than black backgrounds abound. I'm not sure what the technical details are here (and don't really care), but again, my experience goes against the received wisdom. The background is dark enough, very good for it's price class, but it is closer to charcoal than obsidian. What the SX-1000s are good at, is being very good at ALL things, not at being exceptional at SOME things. These amplifiers product mid to high-end sound, for a low to mid-end price. I haven't said anything about the physical aspects of the amplifiers yet (this is of secondary importance to me), but quickly: the SX-1000s are better looking (in black) than I was expecting, and very well made. By this I mean they are perfectly pleasant looking - rather than outright ugly - but if you want audio jewellery you should look elsewhere. All in all, these are great amplifiers for a great price, and they'll be staying in my system for a long time to come - or at least until I want to try something new. SX-1000 by 0lhh0, on Flickr W4S Amps Front by 0lhh0, on Flickr W4S Amps Back by 0lhh0, on Flickr