SoundPath Lab · Verified product profile

Questyle M15i

Higher-tier portable USB DAC/headphone amplifier with current-mode amplification and 3.5 mm plus 4.4 mm headphone outputs.

CategoryPortable DAC / headphone amplifierStatusCurrent / sold by official or authorized channelsReleaseCurrent generation; exact launch date not independently verifiedMarketsNorth America · Europe · Asia-Pacific; availability varies by regionPrice$189–$299 dated rangePrice checked2026-08-23

Verified data

Category-specific specifications

BrandQuestyle
ModelM15i
Product categoryPortable DAC / headphone amplifier
Digital inputUSB-C
Headphone outputs3.5 mm and 4.4 mm balanced
PlatformApple MFi-supported portable DAC/amp
AmplificationQuestyle current-mode stages

Unknown fields are not treated as supported. Services, firmware behavior and regional availability may change after the checked date.

System fit

Best for / not ideal for

Best for

  • Premium portable wired listening
  • Balanced IEM cables
  • Apple and USB-C source devices

Not ideal for

  • Wireless-only listening
  • Desktop input switching
  • Users who only need an entry dongle

SoundPath verdict

What matters beyond the spec sheet

Strengths

  • Premium portable build
  • Single-ended and balanced outputs

Weaknesses

  • Large price step above M15C

Biggest limitation

Its value depends on needing the higher-tier portable platform.

Best alternative

Questyle M15C for lower-cost balanced output.

Best-value use case

A premium portable front end for high-quality IEMs.

Knowledge graph

Reviews, comparisons, guides and risks

Reviews & explainers

No dedicated review is published yet.

Firmware

Latest known software status

Latest known version
See official support page / tracker
Updated
Not separately verified
Last checked
2026-08-23
Notes
No separate current version was verified. Check the exact model and hardware revision on the official support page before updating.

Purchase verification

Available channels

OfficialOfficial product / store pageglobal · checked 2026-08-23

Official channel is listed first. No unverified marketplace or variant link is included.

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