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  3. ATH-TWX9MK2 vs FreeBuds Pro 4

Audio Technica ATH-TWX9MK2 vs Huawei FreeBuds Pro 4

What ATH-TWX9MK2 does better (3) and where FreeBuds Pro 4 wins (4) — every spec side by side.

Audio Technica ATH-TWX9MK2
Audio Technica · 2025ATH-TWX9MK2
6.1Score
3 advantages≈ $160
vs
Huawei FreeBuds Pro 4
Huawei · 2025FreeBuds Pro 4
8.3Score
4 advantages≈ $120
Higher score
7.5Sound9.8
7.2Noise control & calls9.3
3.8Battery4.3

Why is ATH-TWX9MK2 better than FreeBuds Pro 4?

  1. aptXYes · FreeBuds Pro 4: No
  2. Battery life with ANC6 h vs 5 h+20%
  3. Lowest frequency10 Hz vs 14 Hz+40%

Why is FreeBuds Pro 4 better than ATH-TWX9MK2?

  1. Battery life6.5 h vs 7 h+8%
  2. LDACNo · ATH-TWX9MK2: Yes
  3. Driver size5.8 mm vs 11 mm+90%
  4. Highest frequency40,000 Hz vs 48,000 Hz+20%
Specifications

Side by side

Audio Technica ATH-TWX9MK2Audio Technica ATH-TWX9MK2≈ $1606.1
Huawei FreeBuds Pro 4Huawei FreeBuds Pro 4≈ $1208.3
Sound
FitIn-earIn-ear
Ear cup design—Closed-back
Driver typeDynamicPlanar magnetic
Driver size5.8 mm11 mm
Number of drivers—2
Lowest frequency10 Hz14 Hz
Highest frequency40,000 Hz48,000 Hz
Impedance16 Ω—
Sensitivity105 dB—
Hi-Res AudioYesYes
Adjustable equaliserYes—
Noise control
Active noise cancellingYesYes
Transparency / ambient modeYes—
Battery & charging
Battery life6.5 h7 h
Battery life with ANC6 h5 h
Total with charging case—33 h
Battery capacity—55 mAh
Charging time2.5 h2.5 h
Fast charging support—Yes
Wireless charging (case)Yes—
Connectivity
WirelessYesYes
Bluetooth version5.25.2
Bluetooth codecsaptX Adaptive, aptX, AAC, SBCLDAC, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)YesYes
aptXYesNo
LDACNoYes
Multipoint (two devices)YesYes
USB-CYesYes
Design & build
Earbud weight (each)5.5 g—
Protection ratingIPX4IP54
Water resistance (IPx)IPx4IPx4
Dust protection (IP)—5
Features
Touch controlsYesYes
Hands-free callsYes—

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