Questyle M15

$329 $349

Questyle Audio adhere faithfully to current-mode amplification at all form factors, and building a 4.4mm balanced output into the M15 just extended the capabilities of their flagship dongle. ecoustics rate it on par with legacy music players and "would suggest trying it before you pay for anything else". Headphonesty hail it as liquid gold.

It's easy to hear why, if audible results count to you. Operating in current-mode, audio signal gets passed in current instead of the more standard voltage. The Legend Evo from Empire Ears provides instant synergy, given its 3ohm load.

Current-mode amplification eliminates the lag time of the signal that might otherwise occur, as it builds up at the capacitances in the circuit – current signal passes through unhindered as compared to voltage, with speed and ease. [See Product Desc. For More]

$349

Our Price | $329

Product Description

By doing away with the issue of transmission delay in M15, Questyle virtually eliminates any of the harshness caused by the intermodulation distortion associated with high capacitance, solid-state circuits.

Typical of their high-end offerings, M15 decodes digital via its ESS Technology ES9281AC DAC smoothly and organically, without exaggerated warmth or bloat. 

That small signal then takes advantage of being unhindered by capacitance in the signal path. An added benefit from current-mode amplification is that huge signal bandwidth is possible, leading to phase response being accurately preserved in the human hearing range.

Indeed, to hear current-mode is to hear a naturalness to music not encountered before in a conventional circuit, and Questyle build M15 as an affordable entry to such a topology.

Happily use with any low-impedance device (current signals excel the closer a load is to ground) such as Rosson Audio Designs, the Vision Ears Elysium EXT, plus CIEM heavyweights Craft Ears and Empire Ears – particularly the latter's Odin and Legend Evo.

Driving low impedances is M15's forte. But bridge-tied load balanced operation now means this dongle also doubles voltage swing compared to single-ended operation, to drive higher impedances credibly too.

Explore how Questyle's current-mode scheme in CMA15 can further benefit your planar-magnetic headphones at the desk, or browse our other mobile DAC/amps here.

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