Skip to content
Specdex
Compare now
Meze Audio 109 Pro — Open-back
Meze Audio

Meze Audio 109 Pro

Open-back

90
/ 100
From $799
VS
Sennheiser HD 660S — Open-back
Sennheiser

Sennheiser HD 660S

Open-back

90
/ 100
From $499
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Meze Audio 109 Pro lands at 90 and Sennheiser HD 660S at 90. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Meze Audio 109 Pro if…

  • ✓Reference-level detail
  • ✓Well-regarded in audiophile community
  • ✓Long-term ownership appeal

Pick Sennheiser HD 660S if…

  • ✓Reference-level detail
  • ✓Well-regarded in audiophile community
  • ✓Long-term ownership appeal
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

Derived from the sub-score breakdown · not a separate test

Sound quality

Tie

Tuning, detail, and staging

Effectively tied — neither pulls a 2-point weighted lead.

Noise cancelling

Tie

ANC strength for commute and travel

Effectively tied — neither pulls a 2-point weighted lead.

Comfort

Tie

Long-session wearability

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Sennheiser HD 660S

Specdex score per dollar at MSRP

Sennheiser HD 660S more score per dollar ($499 vs $799).

Meze Audio 109 Pro 90
vs
90 Sennheiser HD 660S

Score breakdown

Meze Audio 109 Pro
90
anc 0
sound 90
comfort 88
battery 100
features 50
Sennheiser HD 660S
90
anc 0
sound 90
comfort 88
battery 100
features 50

Specs side-by-side

Meze Audio 109 Pro versus Sennheiser HD 660S — full spec comparison
Spec Meze Audio 109 Pro Sennheiser HD 660S
Type
Open-back
Open-back

Meze Audio 109 Pro

Pros
  • +Reference-level detail
  • +Well-regarded in audiophile community
  • +Long-term ownership appeal
Cons
  • −Requires amplifier (most)
  • −No active noise cancellation
  • −Impractical for commuting

Sennheiser HD 660S

Pros
  • +Reference-level detail
  • +Well-regarded in audiophile community
  • +Long-term ownership appeal
Cons
  • −Requires amplifier (most)
  • −No active noise cancellation
  • −Impractical for commuting

FAQ: Meze Audio 109 Pro vs Sennheiser HD 660S

Which is better, Meze Audio 109 Pro or Sennheiser HD 660S? +

Both score 90 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Meze Audio 109 Pro worth the price? +

At $799, Meze Audio 109 Pro delivers a Specdex score of 90 — strongest in battery.

Is Sennheiser HD 660S worth the price? +

At $499, Sennheiser HD 660S delivers a Specdex score of 90 — strongest in battery.

Does Meze Audio 109 Pro or Sennheiser HD 660S last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is the better value, Meze Audio 109 Pro or Sennheiser HD 660S? +

Sennheiser HD 660S — more score per dollar ($499 vs $799). Specdex score per dollar at MSRP.