Question Considering Amphion Helium 510 vs AudioSolutions O322B – looking for owner feedback

sixtyneedles

Member
Jan 12, 2026
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Hi all,I’m currently auditioning speakers and would really appreciate input from actual owners of Amphion Helium 510 or AudioSolutions Overture O322B.

My system:
  • Amp: Musical Fidelity M3i
  • DAC: Atoll DAC100 Signature
  • Streamer: Bluesound Node 2i (SPDIF)
  • Turntable: Acoustic Signature Samba
  • Tonearm: Moerch UPD4
  • Cartridge: Nagaoka MP-110
  • Phono: Lehmann Black Cube SE
  • Room: ~4.6m listening distance, open left side (corridor), kitchen open on right, no acoustic treatment possible

I listen to Stoner metal, classic rock, jazz, fusion, prog .
The Reference tracks I use for auditioning:

  • Tool – Fear Inoculum
    (soundstage depth, drum imaging, micro-dynamics)

  • Black Sabbath – Symptom of the Universe
    (attack, timing, bass control, transient speed)

  • Dire Straits – Six Blade Knife
    (studio realism, groove, snare timing, bass articulation)

  • OM – Haqq al-Yaqin
    (percussion separation, texture, layered low frequencies)
What I’m looking for:
  • Excellent timing & transient attack
  • Clean, articulated bass (no muddy notes)
  • Strong 3D imaging & depth
  • Good low-volume resolution
  • Studio realism (I like hearing micro detail, especially in electric bass parts)
My current speakers are ELAC Uni-Fi UB5 and honestly they’ve surprised me with how capable they are – which is why I’m being very careful about upgrading.

I can get both Helium 510 and O322B as ex-demo pairs and price is similar but i will not be able to demo them home or A/B them.

On paper both seem to fit my priorities, but I can’t find many real owner impressions online, especially for the O322B.

So I’d love to hear from:
  • Owners of Amphion Helium
  • Owners of AudioSolutions
  • Anyone who has compared them
  • Or anyone who thinks I’m missing a better option in this category
 

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