1. Master-Level Audio in Your Pocket The Questyle M12i is a high-performance Mobile Hi-Fi DAC and Headphone Amplifier that brings... Read more
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The Questyle M12i is a high-performance Mobile Hi-Fi DAC and Headphone Amplifier that brings Questyle’s world-renowned stationary audio technology into a portable form factor. Engineered to meet the strict standards of Apple MFi certification, the M12i ensures flawless compatibility and maximum performance for iPhone, iPad, and Mac users, as well as Android and PC enthusiasts.
Unlike Traditional Amps: Most portable amps use Voltage Mode, which can struggle with high-frequency distortion. Questyle’s patented Current Mode Amplification offers a massive bandwidth and ultra-low distortion (0.0003%), providing a warm, natural, and powerful sound that mimics high-end desktop stacks.
Infinite Driving Power: Despite its size, it intelligently detects the impedance of your headphones and automatically adjusts its gain level to provide the perfect drive.
Lossless Precision: Powered by the ESS9281AC flagship SoC, the M12i supports high-resolution files up to 32-bit/384kHz and DSD256.
Smart Status Indicator: The built-in LED changes color based on the audio format and sampling rate, giving you instant confirmation that you are listening to true high-resolution or MQA audio.
Apple Ready: As an MFi-certified device, the M12i guarantees stable connection and power management for Apple devices, avoiding the "accessory not supported" errors common with non-certified DACs.
Plug-and-Play: No drivers are needed for iOS, Android, macOS, or Windows. Simply plug in and transform your device into a high-end audio player.
| Component | Specification |
| Amplification | Patented Current Mode Technology |
| DAC Chip | ESS ES9281AC |
| Decoding Support | PCM 384kHz / DSD256 |
| Output Port | 3.5mm Headphone Jack |
| THD+N | 0.0003% |
| Input Interface | USB Type-C |
| Chassis Material | CNC Machined Aluminum (Space Gray) |
The Questyle M12i is designed for the audiophile who refuses to settle for "good enough" when traveling. While other mobile DACs can sound clinical or thin, the M12i provides a rich, holographic soundstage that brings your music to life. Its ultra-low power consumption ensures your phone's battery lasts longer, making it the perfect companion for long flights or daily commutes.
At the 2024 CES exhibition, Questyle unveiled the second-generation Mobile Headphone Amplifier with DAC M12i.
Following the success of the first-generation M12, which has been sold out in tens of thousands of units, the M12i also features high-performance audio signal processing. It breaks through the limitations of integrated audio circuits in phones in terms of technology, cost, and size. With Questyle's unique Current Mode Amplification paired with the ESS flagship USB DAC chip, it allows users to fully enjoy lossless audio content from streaming platforms with traditional HiFi headphones, ensuring the best audio experience.
The design of the Kunlun glass window,coupled with
the exquisite craftmanship of the PCB,presents the
critical elements of signal processing and the hardcore
technological aesthetics.
