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  3. MONDO OVER-EAR ANC vs RS 275

defunc MONDO OVER-EAR ANC vs Sennheiser RS 275

What MONDO OVER-EAR ANC does better (4) and where RS 275 wins (4) — every spec side by side.

defunc MONDO OVER-EAR ANC
defunc · 2026MONDO OVER-EAR ANC
8.6Score
4 advantages≈ $250
Higher score
vs
Sennheiser RS 275
Sennheiser · 2026RS 275
4.9Score
4 advantages≈ $210
7.9Noise control & calls4.0
7.6Battery6.5

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

  1. Active noise cancellingYes · RS 275: No
  2. Battery life55 h vs 50 h+10%
  3. Bluetooth version6 vs 5.4+11%
  4. Charging time1.5 h vs 2 h+33%

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

  1. Hi-res codec (LDAC / aptX HD / LHDC)No · MONDO OVER-EAR ANC: Yes
  2. Weight314 g vs 195 g+61%
  3. Lowest frequency20 Hz vs 6 Hz3.3×
  4. 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
Spatial / 3D audio—Yes
Hi-Res Audio—Yes
Adjustable equaliserYes—
Noise control
Active noise cancellingYesNo
Transparency / ambient modeYes—
Battery & charging
Battery life55 h50 h
Charging time1.5 h2 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—
LE Audio—Yes
Auracast—Yes
USB-CYesYes
3.5 mm jack / AUXYes—
Design & build
Weight314 g195 g
FoldableYesYes
Colours—Black
Features
Hands-free callsYesYes
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