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This is a fair ask, leaning decent rather than cheap. A single SX-1000 was listed at $1,199 new, with the later SX-1000R at $1,799 each, and used-market chatter puts SX-1000 monoblocks around $2,000 for a pair; on that basis, £1,231 for one amp is in the sensible zone, not a standout bargain.

The appeal is straightforward: these are compact Class D monoblocks with serious grip, rated at 570W into 8 ohms and 1,140W into 4 ohms, so they suit difficult speakers and deliver the sort of control and headroom buyers want from a no-nonsense power amp. If the listing is clean, original, and fully working, this is the kind of amp that can be a very satisfying buy; the main thing to verify is whether this is the earlier SX-1000 or the later R version, and whether the sale is for a single unit or a matching pair.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Wyred 4 Sound

Wyred 4 Sound emerged in late 2007 from Atascadero, California, founded by EJ Sarmento, who honed his expertise at Cullen Circuits alongside industry veteran Rick Cullen. Sarmento launched the company to spearhead innovative designs, drawing on his background with respected names like PS Audio and Genesis Technologies. This American heritage underscores a commitment to pushing boundaries in high-performance audio without the constraints of larger corporate structures.

The brand excels in Class D amplifiers powered by ICEpower modules from Bang & Olufsen, delivering compact, efficient, and smooth-sounding monoblocks and integrated amps like the STI-500 and ST-1000. It also offers acclaimed DACs such as the DAC-2, music servers like the MS-1 with customizable SSD storage and versatile streaming, plus headphone amps, USB reclocker accessories for noise reduction, and ISO recovery units. Direct sales keep these components accessible while prioritizing differential circuitry for superior clarity and low noise floors.

Wyred 4 Sound holds a strong niche in the high-end boutique market, favored by audiophiles for affordable excellence that rivals pricier competitors. Reviewers praise its dynamic range, refined mids, and "Wyred sound" signature—tight bass, open staging, and startling accuracy—positioning it as a disruptor among discerning buyers seeking value-driven innovation over flashy branding.

See all Wyred 4 Sound listings on RADAR.

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