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  3. Ultra Open Earbuds vs PerL Pro

Bose Ultra Open Earbuds vs Denon PerL Pro

What Ultra Open Earbuds does better (1) and where PerL Pro wins (3) — every spec side by side.

Bose Ultra Open Earbuds
Bose · 2024Ultra Open Earbuds
4.7Score
1 advantage≈ $240
vs
Denon PerL Pro
Denon · 2023PerL Pro
6.5Score
3 advantages≈ $180
Higher score
4.8Noise control & calls5.7
4.9Battery5.8

Why is Ultra Open Earbuds better than PerL Pro?

  1. Charging time1 h vs 2 h2×

Why is PerL Pro better than Ultra Open Earbuds?

  1. Active noise cancellingNo · Ultra Open Earbuds: Yes
  2. Battery life7 h vs 8 h+14%
  3. Total with charging case27 h vs 32 h+19%
Specifications

Side by side

Denon PerL ProDenon PerL Pro≈ $1806.5
Sound
FitIn-earIn-ear
Ear cup designOpen-back—
Driver typeDynamicDynamic
Driver size—10 mm
Lowest frequency—20 Hz
Highest frequency—40,000 Hz
Hi-Res Audio—Yes
Adjustable equaliserYesYes
Noise control
Active noise cancellingNoYes
Adaptive ANC—Yes
Transparency / ambient modeYesYes
Battery & charging
Battery life7 h8 h
Total with charging case27 h32 h
Charging time1 h2 h
Quick charge (claimed)—5 min → 1 h
Fast charging support—Yes
Wireless charging (case)—Yes
Connectivity
WirelessYesYes
Bluetooth version5.35.3
Bluetooth codecsaptX Adaptive, SBCaptX Adaptive, aptX, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)YesYes
aptXYesYes
LDACNoNo
Multipoint (two devices)YesYes
USB-CYesYes
Design & build
Earbud weight (each)—8 g
Protection ratingIPX4IPX4
Water resistance (IPx)IPx4IPx4
Features
Touch controlsYesYes
Hands-free callsYesYes
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