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  3. MONDO OVER-EAR ANC vs HDR 275

defunc MONDO OVER-EAR ANC vs Sennheiser HDR 275

What MONDO OVER-EAR ANC does better (3) and where HDR 275 wins (3) — every spec side by side.

defunc MONDO OVER-EAR ANC
defunc · 2026MONDO OVER-EAR ANC
8.6Score
3 advantages≈ $250
Higher score
vs
Sennheiser HDR 275
Sennheiser · 2026HDR 275
3 advantages≈ $160
7.9Noise control & calls3.9

Why is MONDO OVER-EAR ANC better than HDR 275?

  1. Active noise cancellingYes · HDR 275: No
  2. Battery life55 h vs 50 h+10%
  3. Bluetooth version6 vs 5.4+11%

Why is HDR 275 better than MONDO OVER-EAR ANC?

  1. Hi-res codec (LDAC / aptX HD / LHDC)No · MONDO OVER-EAR ANC: Yes
  2. Lowest frequency20 Hz vs 6 Hz3.3×
  3. aptXNo · MONDO OVER-EAR ANC: Yes
Specifications

Side by side

Sound
Fit—On-ear
Ear cup design—Closed-back
Driver typeDynamicDynamic
Driver size40 mm—
Lowest frequency20 Hz6 Hz
Highest frequency20,000 Hz20,000 Hz
Impedance32 Ω—
Sensitivity95 dB106 dB
Hi-Res Audio—Yes
Adjustable equaliserYes—
Noise control
Active noise cancellingYesNo
Transparency / ambient modeYes—
Battery & charging
Battery life55 h50 h
Charging time1.5 h—
Connectivity
WirelessYesYes
Bluetooth version65.4
Bluetooth codecsAAC, SBCaptX Adaptive, AAC
Hi-res codec (LDAC / aptX HD / LHDC)NoYes
aptXNoYes
LDACNoNo
Multipoint (two devices)Yes—
USB-CYes—
3.5 mm jack / AUXYes—
Design & build
Weight314 g—
FoldableYes—
Colours—Black
Features
Hands-free callsYes—
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