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£30 looks like a strong deal for an NX2s if it’s working properly and complete; these usually sit in the budget portable amp/DAC bracket, and £30 is comfortably on the low side for a clean used example. Given the model’s compact battery-powered design and USB DAC/amp functionality, that’s the kind of price that makes sense for a quick buy rather than a long think.
What makes it worthwhile is the practical bit: the NX2s is well-liked as a lightweight, travel-friendly unit with decent drive for easy-to-moderate headphones and a long battery life, so it still earns a spot as a simple grab-and-go amp. At this price, the main thing to check is basics: it powers on, charges normally, both input modes work, and the battery holds a sensible charge. If those are all fine, this is a neat little pickup rather than a risky one.
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.
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