Products
Bose QuietComfort 45/QC45 Wireless
Sennheiser ACCENTUM Wireless
Tested using Methodology v2.0
Updated Nov 06, 2025 03:50 PM
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Tested using Methodology v2.0
Updated Dec 16, 2025 07:41 PM
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TypeOver-ear
Noise CancellingYes
EnclosureClosed-Back
Bass Amount
Emphasized (3 dB)
WirelessYes
TransducerDynamic
Treble Amount
Slightly Emphasized (1 dB)
MicYes
Sound Signature
V-Shaped
TypeOver-ear
Noise CancellingYes
EnclosureClosed-Back
Bass Amount
Emphasized (3 dB)
WirelessYes
TransducerDynamic
Treble Amount
Underemphasized (-4 dB)
MicYes
Sound Signature
Warm
Our Verdict
Bose QuietComfort 45/QC45 Wireless
Sennheiser ACCENTUM Wireless
The Bose QuietComfort 45/QC45 Wireless are more premium headphones than the Sennheiser ACCENTUM Wireless. The Bose are more comfortable and have a less bassy sound, which some users may prefer, and their noise isolation performance is significantly better, too. However, the Sennheiser have a longer continuous battery life.
Variants
- QuietComfort 45/QC45 (Eclipse Grey)
- QuietComfort 45/QC45 (Midnight Blue)
- ACCENTUM Wireless (Black)
- ACCENTUM Wireless (White)
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Eclipse Grey
QuietComfort 45/QC45
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Black
ACCENTUM Wireless
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Midnight Blue
QuietComfort 45/QC45
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White
ACCENTUM Wireless
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Triple Black
QuietComfort 45/QC45
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Triple Black
QuietComfort SE
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White Smoke
QuietComfort 45/QC45
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Main Differences for
Sports And Fitness
Sports And Fitness
Threshold
Sports And Fitness
7.4
7.0
Comfort
8.5
7.0
Full Comparison
Sound
Sound Profile
Sound Profile
Preview Graph
Preview Graph
Normalization Frequency
750 Hz
1,100 Hz
Bass Amount
Emphasized (3 dB)
Emphasized (3 dB)
Treble Amount
Slightly Emphasized (1 dB)
Underemphasized (-4 dB)
Sound Signature
V-Shaped
Warm
Frequency Response Consistency
7.6
5.8
Consistency L
Preview Graph
Preview Graph
Consistency R
Preview Graph
Preview Graph
Std. Deviation
0.97 dB
1.40 dB
Raw Frequency Response
Raw FR L
Preview Graph
Preview Graph
Raw FR R
Preview Graph
Preview Graph
Bass Profile: Target Compliance
8.7
8.5
Bass Profile: Target Compliance
Preview Graph
Preview Graph
RMS Deviation From Target
3.3 dB
3.6 dB
Low-Frequency Extension
20 Hz
20 Hz
Low Bass
2.59 dB
4.9 dB
Mid Bass
3.7 dB
2.77 dB
High Bass
3.61 dB
0.41 dB
Mid-Range Profile: Target Compliance
9.2
9.0
Mid-Range Profile: Target Compliance
Preview Graph
Preview Graph
RMS Deviation From Target
1.27 dB
1.44 dB
Low Mid
0.71 dB
-0.61 dB
Mid-Mid
-0.84 dB
0.06 dB
High Mid
-1.19 dB
-1.82 dB
Treble Profile: Target Compliance
7.6
6.8
Treble Profile: Target Compliance
Preview Graph
Preview Graph
RMS Deviation From Target
3.64 dB
4.42 dB
Low Treble
3.27 dB
-4.5 dB
Mid Treble
-1.43 dB
-2.25 dB
High Treble
2.11 dB
-2.26 dB
Peaks/Dips
7.6
7.7
Peaks/Dips Graph
Preview Graph
Preview Graph
Peaks
1.24 dB
1.41 dB
Dips
2.07 dB
1.31 dB
Stereo Mismatch
6.7
7.3
Frequency Response Mismatch
Preview Graph
Preview Graph
Phase Response Mismatch
Preview Graph
Preview Graph
Weighted Amplitude Mismatch
0.69 dB
0.52 dB
Weighted Frequency Response Mismatch
1.83 dB
0.98 dB
Weighted Phase Mismatch
2.2°
2.1°
Group Delay
2.6
4.8
Group Delay
Preview Graph
Preview Graph
Weighted Group Delay
2.2 ms
1.7 ms
Cumulative Spectral Decay
CSD
Compare High-Res
Compare High-Res
PRTF
5.6
5.6
PRTF
Preview Graph
Preview Graph
PRTF Accuracy (RMS Deviation)
3.62 dB
3.64 dB
PRTF Size (Avg.)
6.52 dB
4.25 dB
PRTF Distance
8.49 dB
8.69 dB
Harmonic Distortion
6.3
8.3
Harmonics Levels
Preview Graph
Preview Graph
THD Ratio
Preview Graph
Preview Graph
WHD @ 94 dB SPL
0.22%
0.14%
WHD @ 104 dB SPL
1.99%
0.51%
Electrical Aspects
Impedance
Preview Graph
Sensitivity @1kHz-1V
114.4 dB SPL
N/A
Bluetooth Max SPL
105.0 dB
102.1 dB
Virtual Soundstage
0.0
0.0
Virtual Soundstage
Compare High-Res
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Head Modeling
No
No
Speaker Modeling
No
No
Room Ambience
No
No
Head Tracking
No
No
Virtual Surround
No
No
Test Settings
Firmware
1.0.3-2674+ee3f55e
3.12.14
Power
On
On
Connection
Bluetooth
Bluetooth
Codec
SBC, 16-bit, 48kHz
aptX HD, 24-bit, 48kHz
Test Instrument
TP-Link BE9300 BT 5.4
Audio Precision APx517B
EQ
No EQ
Default
ANC
On
Hybrid ANC
Tip/Pad
Default
Default
Microphone
Integrated
Integrated
Design
Style
Design Picture 2
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Type
Over-ear
Over-ear
Enclosure
Closed-Back
Closed-Back
Wireless
Yes
Yes
Transducer
Dynamic
Dynamic
Comfort
8.5
7.0
Comfort Picture
Compare High-Res
Compare High-Res
Weight
0.52 lbs
0.49 lbs
Clamping Force
0.7 lbs
1 lbs
Controls
8.1
8.2
Controls Picture
Compare High-Res
Compare High-Res
OS Compatibility
Not OS specific
Not OS specific
Ease Of Use
Good
Great
Feedback
Good
Good
Call/Music Control
Yes
Yes
Volume Control
Yes
Yes
Microphone Control
Mute/Unmute
Mute/Unmute
Channel Mixing
No
No
Noise Cancelling Control
On/Off
On/Off
Talk-Through
On/Off
On/Off
Additional Controls
Voice Assistant
Multi function
Portability
6.6
6.0
Portability Picture
Compare High-Res
Compare High-Res
L
6.8" (17.2 cm)
7.6" (19.3 cm)
W
5.5" (13.9 cm)
7.0" (17.7 cm)
H
1.5" (3.8 cm)
1.9" (4.8 cm)
Volume
55.44 in³ (908.50 cm³)
100.06 in³ (1,639.73 cm³)
Transmitter Required
No
No
Case
8.0
0.0
Case Picture
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Type
Hard case
No case
L
8.3" (21.1 cm)
N/A
W
5.7" (14.5 cm)
N/A
H
2.2" (5.6 cm)
N/A
Volume
105.16 in³ (1,723.20 cm³)
N/A
Build Quality
7.5
7.5
Build Quality Picture
Compare High-Res
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Stability
7.0
7.0
Stability Picture
Compare High-Res
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Headshots 1
Angled Picture
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Side Picture
Compare High-Res
Compare High-Res
Headshots 2
Front Picture
Compare High-Res
Compare High-Res
Rear Picture
Compare High-Res
Compare High-Res
Top
Top Picture
Compare High-Res
Compare High-Res
In The Box
In The Box Picture
Compare High-Res
Compare High-Res
Isolation
Noise Isolation - Full Range
9.0
7.4
Noise Isolation - Full Range Graph
Preview Graph
Preview Graph
Noise Cancelling
Yes
Yes
Overall Attenuation
-23.90 dB
-19.10 dB
Bass
-19.96 dB
-10.50 dB
Mid
-22.53 dB
-18.97 dB
Treble
-30.21 dB
-29.70 dB
Noise Isolation - Common Scenarios
9.1
6.1
Noise Isolation - Common Scenarios Graph
Preview Graph
Preview Graph
Airplane Noise Attenuation
-21.39 dB
-14.72 dB
Airplane Noise Isolation Audio
Office Noise Attenuation
-20.89 dB
-15.04 dB
Office Noise Isolation Audio
Street Noise Attenuation
-22.37 dB
-16.43 dB
Street Noise Isolation Audio
Noise Isolation - Voice Handling
Female Voice 1
Male Voice 1
Female Voice 2
Male Voice 2
ANC Wind Handling
ANC Wind Handling Graph
Preview Graph
Preview Graph
ANC Wind Noise
Leakage
6.3
7.7
Leakage
Preview Graph
Preview Graph
Leakage Audio
Overall Leakage @ 1ft
43.53 dB
35.18 dB
Microphone
Microphone Style
Integrated
Yes
Yes
In-Line
No
No
Boom
No
No
Detachable Boom
No
No
Mic
Yes
Yes
Recording Quality
7.7
6.5
Microphone Frequency Response
Preview Graph
Preview Graph
Recorded Speech
LFE
201.59 Hz
433.36 Hz
FR Std. Dev.
3.6 dB
2.5 dB
HFE
6,834.38 Hz
5,915.41 Hz
Weighted THD
0.373
7.635
Gain
34.01 dB
14.12 dB
Noise Handling
5.3
7.0
SpNR
Preview Graph
Preview Graph
SpNR
36.73 dB
18.74 dB
Noise Gate
No
Always On
Speech + Pink Noise Handling
5.5
7.0
Speech + Pink Noise Audio Sample
Speech + Subway Noise Handling
5.0
7.0
Speech + Subway Noise Audio Sample
Active Features
Battery
8.5
8.7
Battery Type
Rechargable
Rechargable
Continuous Battery Life
21.3 hrs
41.75 hrs
Additional Charges
0.0
0.0
Total Battery Life
21.3 hrs
41.75 hrs
Charge Time
2 hrs
2.8 hrs
Power-Saving Feature
Auto-Off Timer
Auto-Off Timer
Audio While Charging
No
Yes
Passive Playback
Yes
No
Charging Port
USB-C
USB-C
App Support
8.0
8.5
App Picture
Compare High-Res
Compare High-Res
App Name
Bose Music
Sennheiser Smart Control
iOS
Yes
Yes
Android
Yes
Yes
macOS
No
No
Windows
No
No
Equalizer
Graphic + Presets
Graphic + Presets
ANC Control
On/Off
On/Off
Mic Control
No
No
Room Effects
No
No
Playback Control
Yes
No
Button Mapping
No
No
Surround Support
No
No
Connectivity
Wired Connection
7.4
7.7
Cable Picture
Compare High-Res
Compare High-Res
Analog Audio
Yes
No
USB Audio
No
USB Type A
Detachable
Yes
Yes
Length
3.61 ft (1.10 m)
4.00 ft (1.22 m)
Connector
1/8" TRS
USB-C
Latency - Analog
16.4 ms
N/A
Latency - USB
N/A
37.7 ms
Recorded Latency
N/A
Recorded Latency Connection
Analog
No Wired Audio
Bluetooth Connection
8.2
8.1
Bluetooth Version
5.1
5.2
Multi-Device Pairing
2 Devices
2 Devices
Quick Pair (Android)
No
No
Quick Pair (iOS)
No
No
Line Of Sight Range
272.31 ft (83.00 m)
334.65 ft (102.00 m)
Latency - SBC
182 ms
273 ms
Latency - aptX
N/A
261 ms
Latency - aptX Adaptive (High Quality)
N/A
N/A
Latency - aptX Adaptive (Low Latency)
N/A
N/A
Latency - LDAC
N/A
N/A
Recorded Latency
Recorded Latency Codec
SBC
aptX HD
AAC Support
Yes
Yes
Wireless Connection (Dongle)
0.0
0.0
Line Of Sight Range
N/A
N/A
Latency - Dongle
N/A
N/A
Recorded Latency
N/A
N/A
PC Compatibility
Analog
Audio Only
No
Wired USB
No
Audio + Microphone
Non-BT Wireless
No
No
PlayStation Compatibility
PS4 Analog
Audio Only
No
PS4 Wired USB
No
Audio + Microphone
PS4 Non-BT Wireless
No
No
PS5 Analog
Audio Only
No
PS5 Wired USB
No
Audio + Microphone
PS5 Non-BT Wireless
No
No
Xbox Compatibility
Xbox One Analog
Audio Only
No
Xbox One Wired USB
No
No
Xbox One Non-BT Wireless
No
No
Xbox Series X|S Analog
Audio Only
No
Xbox Series X|S Wired USB
No
No
Xbox Series X|S Non-BT Wireless
No
No
Base/Dock
0.0
0.0
Type
No Base/Dock
No Base/Dock
USB Input
No
No
Line In
No
No
Line Out
No
No
Optical Input
No
No
RCA Input
No
No
Dock Charging
No
No
Power Supply
No Base/Dock
No Base/Dock
Check Price
Eclipse Grey
QuietComfort 45/QC45
SEE PRICE
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Black
ACCENTUM Wireless
SEE PRICE
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Midnight Blue
QuietComfort 45/QC45
SEARCH
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White
ACCENTUM Wireless
SEE PRICE
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Triple Black
QuietComfort 45/QC45
SEE PRICE
Amazon.com
Triple Black
QuietComfort SE
SEARCH
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White Smoke
QuietComfort 45/QC45
SEARCH
Amazon.com
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Bose QuietComfort 45/QC45 Wireless
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Bose QuietComfort 45/QC45 Wireless vs Sennheiser ACCENTUM Wireless: Main Discussion
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