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PREOWNED – FULLY TESTED – SILVER – INCLUDES ORIGINAL REMOTE, POWER CABLE
The original Topping D90 is a flagship, fully balanced DAC initially released in late 2019 that built a legendary reputation around the now-discontinued AKM AK4499 flagship chip. It is highly prized by audiophiles for delivering incredibly natural, smooth, and spacious sonic performance with a record-low noise floor.
Key Features & Specifications
• DAC Chipset: Powered by the rare AKM AK4499EQ and XMOS XU208
• Inputs: USB-B, IIS LVDS (HDMI), Optical, Coaxial, AES, and high-res Bluetooth 5.0 (LDAC/aptX HD).
• Outputs: Balanced XLR and Single-ended RCA.
• Audio Support: Native DSD512 and PCM up to 32-bit/768kHz.
• Functionality: Switchable between pure DAC mode (fixed line-out) and Pre-amp mode (digital volume control).
This US$400 asking price is a strong deal, landing right at the 25th percentile and matching the median of US$400 from five recent comparable listings, well below the 75th percentile of US$932. You are getting the Topping D90 at a price that reflects fair market value while undercutting the upper range of what similar units typically command.
The D90 is a highly regarded DAC that excels with its neutral, detailed sound and staggering measured performance, including 127 dB dynamic range and 122 dB SINAD using the top-tier AK4499 chip. It’s a versatile unit with USB, I2S, Coax, Optical, AES, and Bluetooth inputs, plus pre-amp functionality for flexible setup options. At US$400, this is a clear buying opportunity for anyone seeking high-end audio performance without the premium price tag, especially if the unit is in original-owner condition with accessories included.
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.
