Questyle M15i Portable DAC/Amp
Best portable DAC for audiophiles seeking high-fidelity sound on the go.
Experience superior portable audio with the Questyle M15i, an MFi Certified DAC/Amp designed for discerning listeners on the go. This compact device unlocks high-resolution sound, supporting up to PCM768kHz/32bit and DSD512 for an uncompromised listening experience. Featuring both 3.5mm single-ended and 4.4mm balanced outputs with selectable gain, it effortlessly drives a wide array of headphones. The M15i is engineered for optimal power efficiency, minimizing drain on your mobile device, while its ultra-low noise floor ensures pristine audio clarity. It's the perfect companion for smartphones, PCs, and laptops, bringing Hi-Fi sound quality to your daily routine.
$179.00
![Questyle M15i DAC/Amplificador Portátil (Caixa Aberta) [Full Warranty]](https://questyleshop.com/cdn/shop/files/20260115-161341.png)
Owner Satisfaction
4.5
/ 5
Category Rank
410
/ 807
#410 in Headphone Amplifiers
Price vs Category Average
-87%
Below average
Who it's for
- Audiophiles seeking natural, distortion-free sound reproduction
- Listeners using demanding, high-impedance headphones or IEMs
- iPhone users needing reliable, plug-and-play high-fidelity audio
Who should skip it
- Budget-conscious buyers looking for entry-level portable audio
- Commuters prioritizing smartphone battery life and cool operation
- Users who prefer tactile, physical volume adjustment controls
Performance breakdown
Audio Fidelity
High-resolution support delivers exceptional clarity for the most demanding audiophile tracks.
Drive Capability
Robust power output handles a wide range of demanding headphone impedances effortlessly.
Portability
Compact form factor fits seamlessly into any mobile audio setup.
Power Efficiency
Optimized circuitry ensures your smartphone battery lasts through extended listening sessions.
Build Quality
CNC-machined aluminum chassis offers a premium, durable feel in the hand.
Device Compatibility
MFi certification guarantees flawless, plug-and-play integration with all Apple devices.
Key Specs
MFi Certified
Supports up to PCM768kHz/32bit and DSD512
Ultra-low noise floor
-130dB
Selectable gain modes
DAC Chipset
ES9281AC
Supported Audio Signals
Hi-Res 32-bit/768kHz PCM and Native DSD512
Amplifier Technology
Dual Independent SiP CMA
Total Harmonic Distortion + Noise (THD+N)
<0.0003%
Features
- MFi Certified for seamless Apple device integration
- Dual headphone outputs (3.5mm and 4.4mm)
- Selectable gain for personalized power delivery
- Supports high-resolution audio formats
- Optimized for minimal phone battery consumption
- Ultra-low noise floor for pure sound reproduction
- Portable USB-C DAC Amplifier design
- High-end ES9281AC DAC chipset
What customers say
The Questyle M15i is highly regarded as a benchmark portable DAC amplifier, celebrated primarily for its exceptional sound quality. Reviewers consistently praise the Current Mode Amplification technology for delivering a remarkably clean, dynamic, and transparent audio signature. Users note outstanding detail retrieval and an expansive soundstage, especially via the 4.4mm balanced output, which powerfully drives demanding headphones without noise. The M15i maintains sonic integrity across volumes, offering excellent control. While the premium build quality is appreciated, the device can run warm. For dedicated audiophiles prioritizing top tier fidelity in a portable format, the M15i justifies its high cost through significant performance gains.
Know before you buy
Yes, the M15i is MFi certified, ensuring seamless plug-and-play compatibility with Apple devices using a Lightning or USB-C connection.
Yes, the M15i features both a 3.5mm single-ended output and a 4.4mm balanced output, allowing you to connect a wide variety of headphones and IEMs.
The M15i is engineered with a dedicated TOREX low-power consumption chipset, which is specifically designed to minimize power draw from your smartphone during playback.
The selectable gain allows you to adjust the power output to match your headphones. Use the low gain setting for sensitive IEMs to avoid background hiss, and high gain for more demanding, power-hungry headphones.
Yes, it supports high-resolution audio up to PCM 768kHz/32bit and native DSD512, ensuring you can play back virtually any high-fidelity file format available.
By using a high-end ES9281AC DAC chipset and Questyle's proprietary SiP CMA amplifier technology, the M15i provides significantly better signal processing and power delivery, resulting in a much lower noise floor and clearer, more detailed audio.
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