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miniDSP Flex HTx DSP Audio Processor w/ 8-Channel full range Dirac License. Includes HDMI eARC/ARC, multichannel USB, analog balanced and single-ended I/O, stereo digital inputs, PEQ, bass management and active crossover functionality. Original owner bought new in November 2023 used in a smoke/pet free environment. In excellent operational condition with extremely minor blemishes visible only on close inspection. Includes all original accessories and original miniDSP supplied packaging. Has been reset to factory. Dirac license is automatically transferred as it is part of the hardware. Simply create an account at miniDSP.com and download the Device Console software to get up and running.
US$999 is ambitious for a used miniDSP FLEX, coming in well above the usual used market and clearly over the US$821 75th percentile.
That doesn’t make it a bad unit, though: FLEX boxes are popular because they deliver serious DSP flexibility, clean bass management, and very practical system-tuning control in a compact package. If this one is exceptionally clean, includes the original PSU, remote, and any optional accessories, and has desirable software/licensing extras, it becomes more understandable—but at this price, buyers should expect a premium condition story or be ready to negotiate hard.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Founded in Hong Kong in 2009, miniDSP emerged as a startup driven by a team of audio, electronics, and IT enthusiasts passionate about democratizing digital signal processing (DSP) for DIY audio projects. From its base in a global hub for electronics manufacturing, the company quickly carved out a niche by delivering compact, affordable DSP modules that empowered hobbyists and engineers to refine sound without prohibitive costs.
miniDSP specializes in versatile digital audio processors, including flagship 2-input, 4-output units like the 2x4 HD, which integrate crossovers, parametric EQ, and room correction. These tools target home theater, hi-fi, headphone, and car audio applications, supporting both analog and digital inputs with line-level outputs. Rather than amplifiers, speakers, or headphones, their focus remains on DSP hardware and software, fostering a vibrant community where users customize firmware for diverse setups.
Positioned as a mid-tier DSP specialist, miniDSP enjoys strong market presence in over 150 countries, backed by a 2-year warranty, ongoing firmware updates, and robust technical support. It appeals to knowledgeable audiophiles, DIYers, and engineers seeking professional-grade performance at accessible prices, though its boutique scale introduces minor risks in long-term parts availability.
See all miniDSP listings on RADAR.
