RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
At US$629, this Geshelli Labs JNOG3 with SparkOS dual SS2590 op-amps is a fair buy, sitting just below the median of US$649 for recent comparable used listings in the US$ market. It lands comfortably between the 25th percentile (US$484) and 75th percentile (US$895), meaning you’re not getting a bargain, but you’re also not overpaying—this is solid value for a well-maintained unit.
The JNOG3 is well-regarded for its versatile input suite (USB, two coax, two Toslink), high-res support up to DSD2048 and PCM 1.536MHz via I2S, and the AK4493EQ DAC chip. Swapping in SparkOS SS2590 op-amps adds noticeable sonic refinement, especially in the balanced path, making this a compelling upgrade path for enthusiasts who already appreciate Geshelli’s clean, transparent sound. At this price, it’s a straightforward buying opportunity if the condition is confirmed.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Geshelli Labs is a small American audio company founded in the early 2010s and based in Melbourne, Florida. It is a family-run operation, closely associated with Geno and Sherri Geshelli, and the company’s own materials emphasize that it designs and builds products in-house in the U.S.
The brand is best known for compact, enthusiast-focused electronics rather than loudspeakers or analog front-end gear. Its core lineup centers on DACs, headphone amplifiers, and stereo amplifiers, with models such as the JNOG DAC and Erish headphone amp frequently highlighted in coverage and at audio shows. The company also appears in the affordable-to-midpriced segment, where value and customization matter as much as raw specifications.
In the market, Geshelli Labs sits in a niche boutique position: not luxury high-end, but distinctly more specialized than mass-market audio brands. Review coverage and show reports consistently frame it as a clever, hands-on maker of well-regarded budget and mid-tier separates, appealing to buyers who want solid engineering, U.S. assembly, and a slightly offbeat independent brand identity.
See all Geshelli Labs listings on RADAR.
