RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
This US$80 asking price for the used Topping NX4 DSD is a strong deal, sitting well below the 25th percentile of US$86 and the median of US$91 from your recent comparable listings. At US$80, it represents a clear bargain in the current used market, especially since the unit’s new retail price hovers around US$149–US$160.
The NX4 DSD is a little giant in portable audio, praised for its clean power, DSD decoding, and high-performance ES9038Q2M DAC chip. It delivers solid gain and bass control for a USB dongle, making it a versatile match for demanding headphones. If this listing is from an original owner in good condition, it’s a worthy buy at this price—no caveats needed when the numbers are this compelling.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Topping Audio, founded in 2008 in China, emerged from a team of dedicated audio engineers committed to democratizing high-fidelity sound. Without a single prominent founder in the spotlight, the brand quickly distinguished itself through rigorous innovation, amassing over 20 patents and pioneering technologies in digital audio processing. This heritage of independent R&D, backed by more than 30 experienced engineers, has positioned Topping as a global Hi-Fi contender focused on precision and accessibility.
The company specializes in desktop and portable audio gear, excelling in digital-to-analog converters (DACs), headphone amplifiers, and power amplifiers. Flagship models like the D90 DAC showcase cutting-edge components, such as the AKM AK4499EQ chip, delivering studio-grade performance. Topping also offers audio interfaces and, under its TOPPING Professional sub-brand, pro-level solutions for demanding studio environments, all emphasizing meticulous testing for reliability and sonic purity.
In the competitive hi-fi market, Topping occupies a mid-tier niche as an audiophile favorite, renowned for punching above its weight with exceptional value. Praised for build quality, intuitive design, and uncompromising transparency at affordable prices, it rivals pricier brands while earning loyal followings on forums and among desktop enthusiasts seeking high-end results without premium markups.
See all Topping Audio listings on RADAR.
