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Questyle M15 Mobile Hifi Amplifier

Welcome to the world of truly mobile HiFi

In this complex world, we pursue simplicity

The era of 5G has brought music streaming from smart devices fully into the mainstream. As more and more music platforms launch lossless audio streaming services, mobile hi-res audio has changed from a neat gimmick into a real and growingly popular way to enjoy high-fidelity music. However, it’s often impractical to use traditional HiFi audio equipment with your smartphone on-the-go, due to size and power consumption.

To solve this problem, the M15 was born: it distills all of Questyle’s expertise and technologies into an amazingly powerful yet compact mobile DAC & amp. Don’t be fooled by its small size. The M15 offers uncompromising performance and best-in class fidelity, giving you the ultimate portable audio experience.

The M15 contains two of Questyle’s patented CMA (Current Mode Amplification) SiP modules, for a total of four CMA amp engines. This quadruple drive amplification circuitry gives an outstandingly strong output that can drive almost any headphone. Questyle’s Current Mode Amplifiers are characterized by their small footprint, low voltage operation, and minimal power consumption. Current Mode amplification has a naturally low impedance, affording the M15 a bandwidth up to 1MHz, distortion as low as 0.0003%, and the ability to reproduce every detail hidden deep within any track.

 

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Tech Specs:

  • Outstanding Performance With Flagship Sabre DAC: Questyle M15 is equipped with a flagship ES9281AC DAC chip from ESS Sabre Technologies. It's a 32-bit flagship DAC chip that delivers excellent performance while decoding high-resolution audio signals. M15 will accompany you and provide best-in-class audio performance with a clean background and ultra-low distortion in the output signal!!
  • Current Mode Amplification Circuit that they implement in most of their high-end HiFi devices. The latest M15 USB DAC/AMP is designed with two CMA SiP modules with a total of four amplification engineers. The CMA(Current Mode Amplifier) here produces a powerful output thrust making the compact M15 a powerful beast. It can easily power most headphones on the market with ease.
  • High-Resolution PCM, DSD, and MQA Signal Support: Questyle M15 is a compact yet powerful device that is capable of delivering a true high-resolution experience to its users. M15 here supports all crisp decoding for high-resolution 32-Bit/384kHz PCM, DSD256 natively decoding. It also supports MQA Streams promising a master-quality studio-level experience for the users.
  • Two-Level Gain Mode & Dual Headphone Outputs: Questyle M15 supports a two-level gain mode, low and high-gain. With the low-gain mode, we can use our low-power requiring headphones and IEMs. High-gain mode is suitable for Power requiring headphones. The M15 here is designed with dual headphone output ports housing 3.5mm single-ended and 4.4mm balanced headphone ports.
  • CNC Machined Aluminum Body With LED Indicators: Questyle has designed the M15 with a CNC machined aluminum chassis and a transparent front window. Through the transparent window, we can see the entire circuitry inside the M15 and two LED indicators. One light tells us about the active file bitrate while the other indicates the active gain level.

About Questyle :

Being professional and concise is our core design concept. Being mobile and wireless is our technical direction. You are going to have a wonderful musictime in an easy and trouble-free way, just leaving the complex and technical problems to be taken care of by Questyle. We expect to provide you with beautiful music and satisfy your critical senses with the state-of-the-art technology and perfect design. With the global patented technologies such as Current Mode Amplification and wireless transmission of lossless audio etc., Questyle has won over 20 international awards since 2015, such as CES Innovation Award, iF Industrial Design Award, and VGP Lifestyle Award etc.. Questyle products are sold in the USA, Japan, Germany, the UK and many other developed countries.Questyle Audio, a National High-tech Enterprise, is honored as one of the top 50 competitive enterprises in Shenzhen by Hurun Research Institute in 2017. In the trend of consumption upgrading and rapid iteration of global technologies, only remaining true to our original aspiration and being driven by the new value proposition can we ensure that Questyle, as the vessel of culture, will provide customers with excellent experience and unique brand value.

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