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Compared with most conventional power amps around US$950, this is a strong bargain: the SX-1000 sits well below the comparable-listing 25th percentile of US$1,352, versus a US$1,655 median and US$1,727 upper quartile. Even allowing for its unknown condition, the asking price leaves meaningful room for inspection or servicing.
The appeal is serious muscle in a compact, cool-running Class D monoblock: roughly 570 watts into 8 ohms and 1,140 watts into 4 ohms, with excellent control, dynamics, and low noise. It is particularly attractive for difficult or insensitive speakers, and balanced XLR input adds useful system flexibility. Before buying, confirm whether this is a single monoblock or a pair, verify both RCA and XLR operation if relevant, and check that the rear-panel switch, binding posts, and IEC inlet are sound.
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.
