Founded in 2012, Shenzhen-based Questyle Audio Engineering is run by talented audio technologist Jason Wang. An engineering-led firm, Questyle focuses on high-tech lossless audio systems and aims to provide a high quality, yet convenient, listening experience. The company produces several products, from headphone amps to digital audio players (DAPs), and its recently released M12 DAC/Amp incorporates MQA renderer technology.