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64 Audio U12t · Moss Green — IEM
64 Audio

64 Audio U12t · Moss Green

IEM

95
/ 100
From $1,999
VS
64 Audio U12t · Moss Green wins by 2
Bose QuietComfort Ultra — CustomTune ANC · Immersive Audio · aptX Adaptive
Bose

Bose QuietComfort Ultra

CustomTune ANC · Immersive Audio · aptX Adaptive

93
/ 100
From $429
Specdex verdict

64 Audio U12t · Moss Green takes it — here’s why.

In our weighted Specdex score, 64 Audio U12t · Moss Green lands at 95 and Bose QuietComfort Ultra at 93. That puts 64 Audio U12t · Moss Green ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick 64 Audio U12t · Moss Green if…

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

Pick Bose QuietComfort Ultra if…

  • ✓Best comfort in class
  • ✓Excellent ANC
  • ✓Immersive Audio spatial feature
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Winner by scenario

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

Sound quality

64 Audio U12t · Moss Green

Tuning, detail, and staging

64 Audio U12t · Moss Green leads on sound (95 vs 92).

Noise cancelling

Bose QuietComfort Ultra

ANC strength for commute and travel

Bose QuietComfort Ultra leads on anc (96 vs 0).

Comfort

Bose QuietComfort Ultra

Long-session wearability

Bose QuietComfort Ultra leads on comfort (98 vs 88).

Value for money

Bose QuietComfort Ultra

Specdex score per dollar at MSRP

Bose QuietComfort Ultra more score per dollar ($429 vs $1,999).

64 Audio U12t · Moss Green 95
vs
93 Bose QuietComfort Ultra

Score breakdown

64 Audio U12t · Moss Green
95
anc 0
sound 95
comfort 88
battery 100
features 50
Bose QuietComfort Ultra
93
anc 96
sound 92
comfort 98
battery 86
features 90

Specs side-by-side

64 Audio U12t · Moss Green versus Bose QuietComfort Ultra — full spec comparison
Spec 64 Audio U12t · Moss Green Bose QuietComfort Ultra
Type
IEM
—
Driver
—
35 mm dynamic
Battery
—
24 h (Immersive Audio off) / 18 h (on)
Weight
—
253 g
Codecs
—
SBC, AAC, aptX Adaptive

64 Audio U12t · Moss Green

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

Bose QuietComfort Ultra

Pros
  • +Best comfort in class
  • +Excellent ANC
  • +Immersive Audio spatial feature
Cons
  • −Bose app fiddly
  • −No USB-C audio (3.5 mm + Bluetooth only)
  • −No LDAC support

FAQ: 64 Audio U12t · Moss Green vs Bose QuietComfort Ultra

Which is better, 64 Audio U12t · Moss Green or Bose QuietComfort Ultra? +

64 Audio U12t · Moss Green scores 95 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is 64 Audio U12t · Moss Green worth the price? +

At $1,999, 64 Audio U12t · Moss Green delivers a Specdex score of 95 — strongest in battery.

Is Bose QuietComfort Ultra worth the price? +

At $429, Bose QuietComfort Ultra delivers a Specdex score of 93 — strongest in comfort.

Does 64 Audio U12t · Moss Green or Bose QuietComfort Ultra 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 better for sound quality, 64 Audio U12t · Moss Green or Bose QuietComfort Ultra? +

64 Audio U12t · Moss Green — leads on sound (95 vs 92). Tuning, detail, and staging.

Which is better for noise cancelling, 64 Audio U12t · Moss Green or Bose QuietComfort Ultra? +

Bose QuietComfort Ultra — leads on anc (96 vs 0). ANC strength for commute and travel.