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This is a serious-capability power amp, and the asking price looks like a strong buy. At US$1,100, it lands well below the 25th percentile of recent used comps at US$1,239, with the median at US$1,377 and the 75th percentile at US$1,516, so this is priced as a bargain rather than merely fair.
The SX-1000 is valued for its clean, high-current delivery and grip on demanding speakers, so a healthy unit can be a very satisfying long-term keep. At this price, the key upside is simple: if it’s functioning properly and hasn’t been abused, you’re getting a respected piece of serious amplification for notably less than typical market asking levels.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
