Questyle M18i is an innovative compact DAC and headphone amplifier tailored for seamless compatibility with a range of devices such as smartphones, tablets, computers, and gaming consoles. Featuring a proprietary TTA (Three-Tier Architecture) decoding system, this device supports PCM playback at rates up to 384 kHz and DSD256, ensuring exceptional audio fidelity.
The device is designed to work seamlessly with iPhone and iPad, backed by Apple MFi certification that ensures complete compatibility within the Apple ecosystem. The Questyle M18i features Bluetooth connectivity powered by Qualcomm Snapdragon Sound and Sony LDAC technologies, enabling the transmission of high-resolution audio formats, including 24-bit/96 kHz, via aptX Adaptive, aptX HD, and LE Audio codecs.
There are two headphone outputs available: a 3.5 mm jack for single-channel connections and a 4.4 mm jack for fully balanced audio. The manual gain control enables users to adjust the volume according to various usage scenarios and personal preferences. Additionally, the integrated Infineon microphone, along with Qualcomm ClearVoiceCapture technology, ensures clear phone calls while effectively reducing background noise.
The Questyle M18i features a dual-module amplification system operating in “current feedback” mode, achieving an impressively low distortion rate of 0.0002%. The XMOS XU316 platform, equipped with 16 cores, offers excellent compatibility with Windows, macOS, Android, and HarmonyOS, eliminating the need for driver installation.
Questyle M18i Specifications:
- Output interfaces: 3.5mm, 4.4mm.
- Output power: 28 mW @ 300 Ohm (4.4 mm balanced).
- Frequency range: ±0.1 dB (20 Hz–20 kHz); ±2 dB (20 Hz–80 kHz).
- Distortion (THD+N): 0.0002%.
- DAC: two ESS ES9219Q.
- Body material: anodized aluminum (CNC processing).
- Colour: Tech Black.
- Dimensions: 75 × 35 × 14.5 mm.
- OS compatibility: Android (5.0+), Windows (10.1.8.3+), macOS, iOS (additionally requires LTC02 adapter for Lightning).
- Bluetooth: version 5.4; support for codecs AAC, SBC, aptX, aptX HD, aptX Adaptive, LDAC, LE Audio.
- Call function: support voice calls, Infineon microphone.
- Battery capacity: 500 mAh.
Price: $350
