Questyle M18i Mobile Headphone DAC/Amp
QUESTYLE
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Questyle M18i Mobile Headphone DAC/Amp
QUESTYLE
Description / Questyle M18i Mobile Headphone DAC/Amp
Unlocking the Full Potential of Your Headphones
Resolving the trade-offs between size, power consumption, and audio performance is a top priority for battery-powered compact portable devices. The M18i comes with two patented quad-core Current Mode Amplifier SiP modules, designed by Questyle Technology. The amplifier provides powerful drive with delicate timbre, while once again establishing a new ultra-low distortion record at 0.0002%. Current Mode Amplification (CMA) technology is combined with TOREX's high-efficiency power management system to give the M18i low power consumption despite its high performance. The M18i comes with the latest ESS flagship ES9219Q DAC chip. Questyle and ESS engineers worked together to develop the TTA DAC framework to take the performance of M18i to the limit of what's physically possible.
Compatible with Headphones, Desktop Speakers, and Car Dudio
The M18i provides both 3.5mm unbalanced and 4.4mm balanced outputs. Its manual gain control allows adjustment according to personal preferences and headphone/audio-system characteristics, making it suitable for a wide range of apps and devices. An MFB button is provided for pairing and music playback in Bluetooth mode. Volume buttons provide 60 levels of loudness.
Bluetooth & USB DAC Dual-Mode Design
The M18i supports seamless switching between Bluetooth and USB DAC modes. It features Qualcomm's latest Snapdragon Soundâ„¢ technology with Bluetooth 5.4, supporting AAC, SBC, aptX, aptX HD, aptXâ„¢ Adaptive, LE AUDIO, and 24bit/96kHz LDAC. Enjoy Bluetooth audio with all devices that support these codecs.
Dual USB Ports + Intelligent Power Management System
If the USB data and charging ports are both connected in PC mode, the M18i will draw power from the charging port. If a power adapter is connected to the USB charging port, the M18i will charge the battery regardless of the mode, and supports listening while charging.
HD Call Support with Advanced Noise Reduction Technology
The M18i ensures crystal-clear voice quality and call stability with Qualcomm's cVc Generation 8.0 call solution with ClearVoice Capture technology which suppresses environmental noise. The M18i also includes Infineon's flagship microphone, which can be used with wired headphones for voice calls. The microphone has a range of two meters.
Product Inclusions
- M18i Mobile Headphone Amplifier with DAC
- Type-C to Type-C USB Cable
- Type-C to Type-A USB Adapter
- Warranty Card
- User Manual
Specifications
| Category | Details |
|---|---|
| Compatible Operating Systems |
Android Phones and Tablets: supports devices with Android 5.0 or later PCs: supports devices with Windows 10/11 iPhones: supports iOS Mac Computers: supports macOS |
| Bluetooth 5.4 | supports AAC, SBC, aptX, aptX HD, aptX Adaptive, LDAC, LE Audio |
| Call Function | supports voice calls with the Infineon flagship microphone |
| Battery Capacity | 500mAh |
| Decoding Capability | PCM 44.1kHz–384kHz (16/24/32bit)DSD 64, DSD 128, DSD 256 |
| Output Ports | 3.5mm unbalanced headphone jack4.4mm balanced headphone jack |
| Output Power | 28mW @300Ω (4.4mm balanced output) |
| Frequency Response | ±0.1dB (20Hz–20kHz); ±2dB (20Hz–80kHz) |
| THD+N | 0.0002% |
| DAC | ESS flagship USB DAC chip ES9219Q x 2 |
| Material | CNC anodized aluminum alloy |
| Color | Black |
| Dimensions | 75[L] x 35[W] x 14.5[D] mm |