M15 vs DX220 sound impressions round 1
Setups: M15/DX220 (with AMP8) > EA Cleopatra > Hidition Violet, both using 4.4mm output.
Songs tried: Various songs from Lorde, Melissa Menago, Linkin Park, Metallica, Fleetwood Mac.
Signature-wise, DX220 is neutral veering slightly towards a V, while M15 is neutral-warm. The most obvious difference is in the presentation. DX220 is more immediate and dynamic, livelier. M15 is musical, less in your face, more spacious and relaxed.
For note characteristics, DX220 has a sharper leading edge while M15 goes in softer and mellower, with a rounder decay. Note thickness is similar. Tone-wise, M15 has a sweet, luscious, warm-tinged and accurate timbre with very realistic vocal rendition. DX220 has a brighter edge but is shoutier and raspier in vocals.
Detail levels for both are top tier, but DX220 has more apparent macro-detail and tends to push details forward. Note texture is more appreciable. M15's softer hits mean you'll have to strain a bit to hear the similar details the DX220 gave, but it doesn't mean they're missing.
While M15 lacks in dynamics, it makes up for with refinement levels, air and micro-detail rendering. Nothing sounds congested or muddied. It takes on a very musical, euphonic signature that's technically sound as well.
Bass repsonse is very similar, with DX220 having slightly more texture and M15 having more punch. M15 easily takes the mids. I like both trebles, where DX220 is livelier and brighter while M15 is more coherent and accurate.
M15 has a wider, deeper soundstage and better imaging capability. The background is blacker and more stable than the DX220, and micro-details are easily heard despite the smoother tuning.
I really like both and would have a hard time deciding the winner in terms of pure sound, but here's why I prefer the M15. Faster and more responsive UI, better screen, much longer battery life, no need to switch amps.