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The asking price of £68 for this used Topping NX4 DSD is fair, sitting exactly at the median of the typical used market where recent comparable listings show a median of £68, a 25th percentile of £64, and a 75th percentile of £70. Since the price aligns perfectly with the central value and does not exceed the 75th percentile, it represents a reasonable ask rather than a bargain or an ambitious overprice for a unit in unknown condition.
This compact DAC/amp is a worthwhile buy because it delivers excellent high-resolution audio up to DSD 11.2MHz and PCM 384kHz/32bit while offering true portability with an internal battery providing roughly 28 hours of playback. Its well-regarded Sabre ES9038Q2M DAC chip ensures detailed sound and low distortion, making it a fantastic companion for laptops or smartphones; at a fair price, this listing is a genuine buying opportunity for enthusiasts seeking a reliable, pocket-sized audio upgrade.
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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