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- Table of Contents
- Top
- Main Differences
- Design
- Sound
- Isolation
- Microphone
- Active Features
- Connectivity
- Comments
Sennheiser MOMENTUM True Wireless 2 vs Sennheiser CX 400BT True Wireless
Side-by-Side Comparison
Products
Sennheiser MOMENTUM True Wireless 2
Sennheiser CX 400BT True Wireless
Tested using Methodology v1.5
Updated Jan 26, 2024 11:49 PM
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Amazon.comTested using Methodology v1.5
Updated Jan 15, 2024 08:40 PM
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Amazon.com
TypeIn-ear
EnclosureClosed-Back
WirelessTruly Wireless
TransducerDynamic
Noise CancellingYes
MicYes
TypeIn-ear
EnclosureClosed-Back
WirelessTruly Wireless
TransducerDynamic
Noise CancellingNo
MicYes
Variants
- MOMENTUM True Wireless 2 (Black)
- MOMENTUM True Wireless 2 (White)
- CX 400BT True Wireless (Black)
- CX 400BT True Wireless (White)
Our Verdict
Sennheiser MOMENTUM True Wireless 2
Sennheiser CX 400BT True Wireless
The Sennheiser MOMENTUM True Wireless 2 and the Sennheiser CX 400BT True Wireless are very similar headphones, but the CX 400BT are slightly better. While both earbuds are similarly comfortable and well-built, the CX 400BT have a very similar noise isolation performance to the MOMENTUM, even though they don't have an ANC feature. The CX 400BT also have an integrated mic with a better performance.
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Black
MOMENTUM True Wireless 2
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Amazon.comBlack
CX 400BT True Wireless
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Amazon.comWhite
MOMENTUM True Wireless 2
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Amazon.comWhite
CX 400BT True Wireless
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Amazon.comMain Differences for
Threshold
Neutral Sound
6.7
7.0
Full Comparison
Design
Style
Design Picture 2
Type
In-ear
In-ear
Enclosure
Closed-Back
Closed-Back
Wireless
Truly Wireless
Truly Wireless
Transducer
Dynamic
Dynamic
Comfort
6.5
6.5
Comfort Picture
Weight
0.03 lbs
0.03 lbs
Clamping Force
0 lbs
0 lbs
Controls
7.7
6.9
Controls Picture
OS Compatibility
Not OS specific
Not OS specific
Ease Of Use
Good
Good
Feedback
Good
Great
Call/Music Control
Yes
Yes
Volume Control
Yes
Yes
Microphone Control
No
No
Channel Mixing
No
No
Noise Cancelling Control
On/Off
No
Talk-Through
On/Off
No
Additional Controls
Voice Assistant
Voice Assistant
Breathability
9.2
9.2
Breathability After Picture
Avg.Temp.Difference
0.8 °C
0.8 °C
Portability
9.3
9.3
Portability Picture
L
1.6" (4.1 cm)
1.2" (3.0 cm)
W
1.5" (3.8 cm)
1.4" (3.6 cm)
H
1.0" (2.5 cm)
1.2" (3.0 cm)
Volume
2.40 in³ (39.33 cm³)
2.10 in³ (34.41 cm³)
Transmitter Required
No
No
Case
8.0
7.5
Case Picture
Type
Hard case
Hard case
L
3.1" (7.9 cm)
2.3" (5.8 cm)
W
1.8" (4.6 cm)
1.3" (3.3 cm)
H
1.4" (3.6 cm)
1.7" (4.3 cm)
Volume
7.80 in³ (127.82 cm³)
4.90 in³ (80.30 cm³)
Build Quality
8.0
8.0
Build Quality Picture
Stability
7.5
7.5
Stability Picture
Headshots 1
Angled Picture
Side Picture
Headshots 2
Front Picture
Rear Picture
Top
Top Picture
In The Box
In The Box Picture
Sound
Sound Profile
Frequency Response
Bass Amount
-0.74 dB
-0.41 dB
Treble Amount
-2.49 dB
-2.19 dB
Frequency Response Consistency
8.8
8.8
Consistency L
Consistency R
Avg. Std. Deviation
0.25 dB
0.24 dB
Raw Frequency Response
Bass Accuracy
8.1
8.4
Std. Err.
2.59 dB
2.12 dB
Low-Frequency Extension
44.9 Hz
35.64 Hz
Low-Bass
-4.34 dB
-3.68 dB
Mid-Bass
0.27 dB
-0.08 dB
High-Bass
2.79 dB
2.13 dB
Mid Accuracy
8.8
8.8
Std. Err.
1.66 dB
1.64 dB
Low-Mid
1.47 dB
0.85 dB
Mid-Mid
-1.91 dB
-2.21 dB
High-Mid
-0.08 dB
-0.1 dB
Treble Accuracy
4.9
5.5
Std. Err.
7.12 dB
6.42 dB
Low-Treble
-7.83 dB
-7.48 dB
Mid-Treble
-1.13 dB
-0.17 dB
High-Treble
-2.19 dB
-3.8 dB
Peaks/Dips
6.8
7.0
Peaks/Dips Graph
Peaks
1.92 dB
1.8 dB
Dips
2.37 dB
2.13 dB
Imaging
8.3
9.2
Phase Response Mismatch
Weighted Group Delay
0.14
0.12
Weighted Phase Mismatch
1.3
1.48
Weighted Amplitude Mismatch
1.76
0.47
Weighted Frequency Mismatch
1.94
1.19
Passive Soundstage
0.9
0.8
PRTF
PRTF Accuracy (Std. Dev.)
N/A
N/A
PRTF Size (Avg.)
N/A
N/A
PRTF Distance
N/A
N/A
Openness
3.7
3.4
Acoustic Space Excitation
0.4
0.3
Virtual Soundstage
0.0
0.0
Virtual Soundstage
Head Modeling
No
No
Speaker Modeling
No
No
Room Ambience
No
No
Head Tracking
No
No
Virtual Surround
No
No
Weighted Harmonic Distortion
7.5
8.3
Weighted Harmonic Distortion
WHD @ 90
0.518
0.151
WHD @ 100
0.120
0.083
Test Settings
Firmware
4.6.0
2.13.0
Power
On
On
Connection
Bluetooth 4.2
Bluetooth 5.0
Codec
aptX, 16-bit, 48kHz
aptX, 16-bit, 48kHz
EQ
Default
Neutral
ANC
On
No ANC
Tip/Pad
Silicone (small)
Silicone (small)
Microphone
Integrated
Integrated
Isolation
Noise Isolation
6.3
6.1
Noise Isolation
Isolation Audio
Overall Attenuation
-17.42 dB
-17.41 dB
Noise Cancelling
Yes
No
Bass
-4.7 dB
-4.07 dB
Mid
-17.69 dB
-16.41 dB
Treble
-31.17 dB
-32.91 dB
Leakage
9.7
9.8
Leakage Audio
Overall Leakage @ 1ft
22.92 dB
22.41 dB
Microphone
Microphone Style
Integrated
Yes
Yes
In-Line
No
No
Boom
No
No
Detachable Boom
No
No
Mic
Yes
Yes
Recording Quality
6.6
7.0
Microphone Frequency Response
Recorded Speech
LFE
409.04 Hz
261.43 Hz
FR Std. Dev.
2.97 dB
3.1 dB
HFE
7,346.09 Hz
5,424.45 Hz
Weighted THD
3.013
1.24
Gain
3.41 dB
6.76 dB
Noise Handling
6.6
5.8
SpNR
13.78 dB
18.69 dB
Noise Gate
No
No
Speech + Pink Noise Handling
7.0
6.0
Speech + Pink Noise Audio Sample
Speech + Subway Noise Handling
6.0
5.5
Speech + Subway Noise Audio Sample
Active Features
Battery
5.3
5.3
Battery Type
Rechargable
Rechargable
Continuous Battery Life
4.3 hrs
5 hrs
Additional Charges
3.0
1.9
Total Battery Life
17.2 hrs
14.5 hrs
Charge Time
1.2 hrs
1.5 hrs
Power-Saving Feature
No
No
Audio While Charging
No
No
Passive Playback
No
No
Charging Port
USB-C
USB-C
App Support
6.5
7.0
App Picture
App Name
Sennheiser Smart Control
Sennheiser Smart Control
iOS
Yes
Yes
Android
Yes
Yes
macOS
No
No
Windows
No
No
Equalizer
Graphic + Presets
Graphic + Presets
ANC Control
On/Off
No
Mic Control
No
No
Room Effects
No
No
Playback Control
No
No
Button Mapping
Yes
Yes
Surround Support
No
No
Connectivity
Bluetooth
6.9
6.4
Bluetooth Version
5.1
5.1
Multi-Device Pairing
No
No
NFC Pairing
No
No
Line Of Sight Range
204.00 ft (62.18 m)
140.00 ft (42.67 m)
PC Latency (SBC)
395 ms
335 ms
PC Latency (aptX)
320 ms
322 ms
PC Latency (aptX HD)
N/A
N/A
PC Latency (aptX-LL)
N/A
N/A
iOS Latency
-10 ms
-112 ms
Android Latency
-43 ms
-120 ms
Non-Bluetooth Wireless
0.0
0.0
Non-BT Line Of Sight Range
N/A
N/A
Non-BT Latency
N/A
N/A
Wired
0.0
0.0
Cable Picture
Analog Audio
No
No
USB Audio
No
No
Detachable
No
No
Length
N/A
N/A
Connection
No Wired Option
No Wired Option
Analog/USB Audio Latency
N/A
N/A
PC Compatibility
Analog
No
No
Wired USB
No
No
Non-BT Wireless
No
No
PlayStation Compatibility
PS4 Analog
No
No
PS4 Wired USB
No
No
PS4 Non-BT Wireless
No
No
PS5 Analog
No
No
PS5 Wired USB
No
No
PS5 Non-BT Wireless
No
No
Xbox Compatibility
Xbox One Analog
No
No
Xbox One Wired USB
No
No
Xbox One Non-BT Wireless
No
No
Xbox Series X|S Analog
No
No
Xbox Series X|S Wired USB
No
No
Xbox Series X|S Non-BT Wireless
No
No
Base/Dock
2.2
2.2
Type
Charging Case
Charging Case
USB Input
No
No
Line In
No
No
Line Out
No
No
Optical Input
No
No
RCA Input
No
No
Dock Charging
Yes
Yes
Power Supply
USB-C
USB-C
Check Price
Black
MOMENTUM True Wireless 2
SEE PRICE
Amazon.comBlack
CX 400BT True Wireless
SEE PRICE
Amazon.comWhite
MOMENTUM True Wireless 2
SEE PRICE
Amazon.comWhite
CX 400BT True Wireless
SEE PRICE
Amazon.com
Sennheiser MOMENTUM True Wireless 2
Sennheiser CX 400BT True Wireless
Comments
Sennheiser MOMENTUM True Wireless 2 vs Sennheiser CX 400BT True Wireless: Main Discussion
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