{{ 'fb_in_app_browser_popup.desc' | translate }} {{ 'fb_in_app_browser_popup.copy_link' | translate }}

{{ 'in_app_browser_popup.desc' | translate }}

Questyle M15

Questyle M15

Don’t be fooled by its small size. The M15 offers uncompromising performance and best-in class fidelity, giving you the ultimate portable audio experience.

Welcome to the world of truly mobile HiFi.

Local Free Shipping over $500 [Not available to remote areas and outlying islands] on order

{{shoplineProductReview.avg_score}} {{'product.product_review.stars' | translate}} | {{shoplineProductReview.total}} {{'product.product_review.reviews' | translate}}
{{amazonProductReview.avg_rating}} {{'product.product_review.stars' | translate}} | {{amazonProductReview.total_comment_count}} {{'product.product_review.reviews' | translate}}
Quantity Product set quantity
Add to Wishlist
The maximum quantity per submit is 99999
This quantity is invalid, please enter a valid quantity.
Sold Out

Not enough stock.
Your item was not added to your cart.

Not enough stock.
Please adjust your quantity.

Limit {{ product.max_order_quantity }} per order.

Only {{ quantityOfStock }} item(s) left.

Please message the shop owner for order details.
Add to Wishlist
Shipping & Payment
Customer Reviews

Two independent CMA SiP modules

Four total amplification circuits

The M15 contains two of Questyle’s patented CMA (Current ModeAmplification) SiP modules, for a total of four CMA amp engines. This quadrupledrive amplification circuitry gives an outstandingly strong output that candrive almost any headphone. Questyle’s Current Mode Amplifiers arecharacterized by their small footprint, low voltage operation, and minimalpower consumption. Current Mode amplification has a naturally low impedance,affording the M15 a bandwidth up to 1MHz, distortion as low as 0.0003%, and theability to reproduce every detail hidden deep within any track.

3.5mm TRS / 4.4mm TRRS outputs

Manual gain adjustment

With its four CMA amp circuits, the M15 supports both unbalanced (3.5mmTRS) and balanced (4.4mm TRRS) outputs. It also has manual gain adjustment viathe slider on the side, which makes it easy to choose high/low gain dependingon the connected headphone, speaker, or HiFi system.

Impossibly low noise floor

Complete sonic immersion

Purest sound, anytime, anywhere

Only a black background can reflect rich color. With its incredibly lownoise floor, the M15 allows all the details of your music faithfully ring true.In testing, the M15 was able to achieve a noise floor of -130dB.

Treat your senses to true lossless sound

When playing audio, the data status indicator will illuminate one of thefollowing colors:

Green: indicates the audio sample rate is 48kHz or less.

Red: indicates hi-res lossless playback.(Hi-res lossless refers to PCM88.2kHz~384 kHz, or DSD64~DSD256.)

Magenta: indicates the M15 is performing the final unfold of an MQA Corestream.

More detail:

-        M15 features the highly acclaimed ESS ES9281ACflagship DAC, which can handle up to PCM384kHz/32bit and DSD256.

-        TOREX HIGH-EFFICIENCY POWER MANAGEMENT, Low powerconsumption, no overheating, Longer battery life, longer playback

-        Unparalleled ease of use, Plug-and-play, no driversneeded

-        Metal housing, transparent cover, minimalist onthe outside, stunning on the inside

-        Supports almost all music streaming platformsworldwide



Material: Frosted aluminum body machined by CNC

Color: Black

Size: 61.8[L] X 27.2[W] X 12[D](mm)


Operating System Required

Android phone and pad: Android 5.0 and above

PC: Win10 1803 and above

Apple cellphone: iOS (You need to buy an OTG cable for Lightning toType-C.)

Apple computer: mac OS


DAC Capability

PCMPCM: 32kHz 384kHz (16/24/32Bit)

DSD DSD64(1Bit 2.8MHz) , DSD128(1Bit 5.6MHz), DSD256(1Bit11.2MHz)


Output Power

3.5mm:RL=300,Po=11.97mW, Vout(Max)=1.895Vrms,THD+N=0.00045%

4.4mm:RL=300,Po=22.60mW, Vout(Max)=2.624Vrms,THD+N=0.00057%


Frequency Response &THD

Frequency Response: ±0.1dB(20Hz-20kHz)

THD + N0.0003%

DACESS flagship USB DAC chip ES9281AC

Shipping & Payment

Delivery Options

  • Free Shipping on orders over $500
  • Pay by receiver (included Hong Kong Remote Area or Macau)
  • Self Pickup from Customer Service Center

Payment Options

  • Apple Pay
  • Octopus
  • Credit Card: Visa, MasterCard, American Express, UnionPay
  • Google Pay
  • Payme
  • Alipay (HK)
  • Bank Transfer
Customer Reviews
{{'product.product_review.no_review' | translate}}