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  3. Studio Max 2 vs HDR 275

OneOdio Studio Max 2 vs Sennheiser HDR 275

What Studio Max 2 does better (4) and where HDR 275 wins (2) — every spec side by side.

OneOdio Studio Max 2
OneOdio · 2026Studio Max 2
6.6Score
4 advantages≈ $200
Higher score
vs
Sennheiser HDR 275
Sennheiser · 2026HDR 275
2 advantages≈ $160
4.0Noise control & calls4.0

Why is Studio Max 2 better than HDR 275?

  1. Battery life120 h vs 50 h2.4×
  2. Highest frequency40,000 Hz vs 20,000 Hz2×
  3. LDACYes · HDR 275: No
  4. Bluetooth version6 vs 5.4+11%

Why is HDR 275 better than Studio Max 2?

  1. Lowest frequency20 Hz vs 6 Hz3.3×
  2. aptXNo · Studio Max 2: Yes
Specifications

Side by side

Sound
Fit—On-ear
Ear cup designClosed-backClosed-back
Driver typeDynamicDynamic
Driver size45 mm—
Lowest frequency20 Hz6 Hz
Highest frequency40,000 Hz20,000 Hz
Impedance34 Ω—
Sensitivity98 dB106 dB
Hi-Res AudioYesYes
Adjustable equaliserYes—
Noise control
Active noise cancellingNoNo
Battery & charging
Battery life120 h50 h
Battery capacity120 mAh—
Charging time3 h—
Fast charging supportYes—
Connectivity
WirelessYesYes
Bluetooth version65.4
Bluetooth codecsLDAC, AAC, SBCaptX Adaptive, AAC
Hi-res codec (LDAC / aptX HD / LHDC)YesYes
aptXNoYes
LDACYesNo
USB-CYes—
3.5 mm jack / AUXYes—
Design & build
FoldableYes—
ColoursBlackBlack
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