Dual ES9129Q Bluetooth Portable DAC / Amplifier
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Technology Without Boundaries
The M18i contains four sets of SiP modules that use Questyle’s patented Current Mode Amplification, providing both powerful drive and delicate timbre. The M18i also features ESS’s flagship ES9219Q Combo DAC, a dual- DAC mono design, and a TTA (Three-Tier Architecture) DAC framework. Features wired USB and dual-mode lossless Bluetooth connectivity, powered by a 16-core XOS316 USB.
Apple MFi Certified for Guaranteed Performance and Compatibility
The "i" in M18i indicates that it has been certified by Apple's MFi. MFi certification ensures perfect support for iPhone/iPad and seamless integration into the Apple ecosystem.
Patented SiP Current Mode Amplifier
The Questyle M18i prioritizes resolving trade-offs between size, power efficiency, and audio performance in portable, battery-powered devices. It features two patented quad-core Current Mode Amplifier (CMA) SiP modules.
Full Compatibility for True Lossless Enjoyment
The M18i supports lossless Bluetooth and USB DAC dual-mode switching, making it convenient for users to choose freely. It is equipped with the latest generation of Qualcomm Snapdragon Sound technology and Bluetooth 5.4.
3.5mm and 4.4mm Dual Ports with Gain Adjustment
The M18i, equipped with (x4) current mode engines, supports 3.5mm single-ended and 4.4mm fully balanced output modes. It also features manual gain adjustment.
Specification:
DAC Capability
PCM: PCM: 44.1kHz-384kHz (16/24/32bit)
DSD: DSD64, DSD128, DSD256
Output Power: 4.4mm: 28mW @ 300 ohms
Frequency Response: ±0.1dB (20Hz-20kHz); ±2dB (20Hz-80kHz)
THD+N: 0.0002%
DAC: (2x) ESS ES9219Q
Bluetooth Version: 5.4
Supports: AAC, SBC, aptX, aptXHD, aptX adaptive, LDAC, LE Audio
Whats In The Box
- M18i Mobile Headphone Amplifier with DAC
- USB Type-C to Type-C Cable
- USB Type-C to Type-A Cable
- Warranty Card
- User Manual
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