Founded on December 12, 2012, in Shenzhen, China, by Wang Fengshuo (Jason Wang), Questyle Audio represents a decade of innovation in lossless audio technology. Wang, who began exploring audio technology at age 7 and won first prize in the national electronic design competition for college students in 2005, established Questyle after six years at a Silicon Valley-listed audio integrated circuit company. The company revolutionized headphone amplification through Wang's patented Current Mode Amplification technology, adapting principles from high-speed communication and video processing industries to audio applications. Recognized as a national-level high-tech enterprise in 2016 and listed among the 'Top 50 Most Promising New Star Companies in Shenzhen' by the Hurun Research Institute, Questyle specializes in research, development, and manufacturing of portable and desktop DAC/headphone amplifiers, digital audio players, wireless audio systems, and true lossless earphones. Manufacturing partnerships with Foxconn ensure precision CNC chassis construction, while the company has garnered over 40 international awards including the CES Innovation Award in 2016, iF Design Award, and VGP Lifestyle Award. From audiophile enthusiasts to audio innovators, Questyle continues crafting timeless sound through state-of-the-art lossless audio products that bridge high-end engineering with accessible consumer technology, establishing itself as a leading Chinese audio manufacturer in the global high-fidelity market.
Questyle has introduced the Sigma and Sigma Pro portable DAC/amps, delivering high-resolution audio with remarkable output power in a compact design.
The Sigma Pro features dual ESS ES9069 DACs in a dual-mono configuration, supporting up to 32-bit/768kHz PCM and DSD512 audio formats.
Both models include balanced 4.4mm outputs, LDAC, Snapdragon Sound, and Bluetooth 5.4 technology, enhancing connectivity and audio quality.
The Questyle QCC Dongle Pro is the first MFi-certified Bluetooth transmitter supporting aptX Lossless and LDAC for high-quality audio transmission.
It features compatibility with Apple devices including iPhone 17, iPad, and Mac, alongside Plug & Play functionality with USB-C and USB-A adapter inclusion.
Offering aptX Lossless (1.2 Mbps) and LDAC (up to 990 kbps), the device ensures CD-quality audio with minimal latency (<40 ms for gaming).
Questyle SIGMA, a portable DAC/headphone amplifier, integrates cutting-edge technologies for superior audio quality in a compact design.
Equipped with AKM AK4493 DAC chip, SIGMA supports PCM decoding up to 32-bit/768kHz and native DSD up to DSD512.
Features a symmetrical current-mode amplifier architecture with four modules, offering improved linearity and reduced distortion.
The Questyle SIGMA, a flagship portable DAC/headphone amplifier, will be released on October 10th at a price of approximately ¥99,000.
The device aims to provide stationary-class sound quality on-the-go, incorporating advanced technologies and expertise under its 'Summation' philosophy.
Features include the AKM AK4493EQ DAC for precise decoding, noise reduction, and a 3-layer amplification design for authentic sound reproduction.
Bluetooth LE transmitters enable older devices to utilize advanced audio codecs like LC3, LDAC, and aptX, enhancing compatibility without requiring device upgrades.
Questyle QCC Pro ($119) supports Bluetooth LE, LDAC, aptX Lossless, and works across Apple, Android, Windows, Linux, and Nintendo Switch platforms.
Creative BT-W6 ($80) includes a Windows app with features like a 13-band EQ and spatial audio, though limited in codec variety.