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Truthear Zero Red — IEM
Truthear

Truthear Zero Red

IEM

84
/ 100
From $55
VS
Beyerdynamic DT 990 Pro — Open-back
Beyerdynamic

Beyerdynamic DT 990 Pro

Open-back

84
/ 100
From $179
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Truthear Zero Red lands at 84 and Beyerdynamic DT 990 Pro at 84. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Truthear Zero Red if…

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

Pick Beyerdynamic DT 990 Pro if…

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

Truthear Zero Red

Specdex score per dollar at MSRP

Truthear Zero Red more score per dollar ($55 vs $179).

Truthear Zero Red 84
vs
84 Beyerdynamic DT 990 Pro

Score breakdown

Truthear Zero Red
84
anc 0
sound 84
comfort 88
battery 100
features 50
Beyerdynamic DT 990 Pro
84
anc 0
sound 84
comfort 88
battery 100
features 50

Specs side-by-side

Truthear Zero Red versus Beyerdynamic DT 990 Pro — full spec comparison
Spec Truthear Zero Red Beyerdynamic DT 990 Pro
Type
IEM
Open-back

Truthear Zero Red

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

Beyerdynamic DT 990 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

FAQ: Truthear Zero Red vs Beyerdynamic DT 990 Pro

Which is better, Truthear Zero Red or Beyerdynamic DT 990 Pro? +

Both score 84 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Truthear Zero Red worth the price? +

At $55, Truthear Zero Red delivers a Specdex score of 84 — strongest in battery.

Is Beyerdynamic DT 990 Pro worth the price? +

At $179, Beyerdynamic DT 990 Pro delivers a Specdex score of 84 — strongest in battery.

Does Truthear Zero Red or Beyerdynamic DT 990 Pro 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, Truthear Zero Red or Beyerdynamic DT 990 Pro? +

Truthear Zero Red — more score per dollar ($55 vs $179). Specdex score per dollar at MSRP.