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  3. ATH-TWX9MK2 vs Amiron Zero

Audio Technica ATH-TWX9MK2 vs beyerdynamic Amiron Zero

What ATH-TWX9MK2 does better (7) and where Amiron Zero wins (1) — every spec side by side.

Audio Technica ATH-TWX9MK2
Audio Technica · 2025ATH-TWX9MK2
6.2Score
7 advantages≈ $150
Higher score
vs
beyerdynamic Amiron Zero
beyerdynamic · 2025Amiron Zero
4.0Score
1 advantage≈ $120
7.2Noise control & calls3.1
4.0Battery3.0
4.1Build & features3.6

Why is ATH-TWX9MK2 better than Amiron Zero?

  1. Active noise cancellingYes · Amiron Zero: No
  2. Hi-res codec (LDAC / aptX HD / LHDC)Yes · Amiron Zero: No
  3. Battery life6.5 h vs 6 h+8%
  4. Lowest frequency10 Hz vs 20 Hz2×
  5. Highest frequency40,000 Hz vs 20,000 Hz2×
  6. aptXYes · Amiron Zero: No
  7. Earbud weight (each)5.5 g vs 6 g+9%

Why is Amiron Zero better than ATH-TWX9MK2?

  1. Bluetooth version5.2 vs 5.4+4%
Specifications

Side by side

Audio Technica ATH-TWX9MK2Audio Technica ATH-TWX9MK2≈ $1506.2
beyerdynamic Amiron Zerobeyerdynamic Amiron Zero≈ $1204.0
Sound
FitIn-earIn-ear
Ear cup design—Open-back
Driver typeDynamic—
Driver size5.8 mm—
Lowest frequency10 Hz20 Hz
Highest frequency40,000 Hz20,000 Hz
Impedance16 Ω—
Sensitivity105 dB—
Hi-Res AudioYes—
Adjustable equaliserYesYes
Noise control
Active noise cancellingYesNo
Transparency / ambient modeYes—
Battery & charging
Battery life6.5 h6 h
Battery life with ANC6 h—
Total with charging case—20 h
Charging time2.5 h—
Fast charging support—Yes
Wireless charging (case)Yes—
Connectivity
WirelessYesYes
Bluetooth version5.25.4
Bluetooth codecsaptX Adaptive, aptX, AAC, SBCAAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)YesNo
aptXYesNo
LDACNoNo
Multipoint (two devices)Yes—
USB-CYesYes
Design & build
Earbud weight (each)5.5 g6 g
Protection ratingIPX4IP54
Water resistance (IPx)IPx4IPx4
Dust protection (IP)—5
Features
Touch controlsYesYes
Hands-free callsYesYes

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