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- Table of Contents
- Top
- Main Differences
- Design
- Sound
- Isolation
- Microphone
- Active Features
- Connectivity
- Comments
Anker Soundcore Space A40 Truly Wireless vs Anker Soundcore Liberty 4 True Wireless
Side-by-Side Comparison
Products
Anker Soundcore Space A40 Truly Wireless
Anker Soundcore Liberty 4 True Wireless
Tested using Methodology v1.8
Updated May 28, 2025 05:59 PM
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Updated Sep 20, 2023 07:49 PM
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TypeIn-ear
Noise CancellingYes
EnclosureClosed-Back
WirelessTruly Wireless
TransducerDynamic
MicYes
TypeIn-ear
Noise CancellingYes
EnclosureClosed-Back
WirelessTruly Wireless
TransducerDynamic
MicYes
Variants
- Soundcore Space A40 (Black)
- Soundcore Space A40 (Blue)
- Soundcore Space A40 (White)
- Soundcore Liberty 4 (Black)
- Soundcore Liberty 4 (White)
Our Verdict
Anker Soundcore Space A40 Truly Wireless
Anker Soundcore Liberty 4 True Wireless
The Anker Soundcore Space A40 Truly Wireless are better in-ears than the Anker Soundcore Liberty 4 True Wireless. While both buds are well-built and comfortable, the Space A40 have a better-balanced sound profile, which some users may prefer, and their ANC system does a significantly better job of blocking out background noise across the full range. They also have a better battery performance. However, the Liberty 4 have a virtual soundstage feature to help immerse you in your audio, and their companion app offers more overall features.
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Black
Soundcore Space A40
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Soundcore Liberty 4
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Soundcore Space A40
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Soundcore Liberty 4
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Soundcore Space A40
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Finding storeMain Differences forNeutral Sound
Neutral Sound
Threshold
Neutral Sound
7.1
6.1
Bass Profile: Target Compliance
9.7
7.6
Mid-Range Profile: Target Compliance
9.2
7.3
Treble Profile: Target Compliance
4.7
3.8
Peaks/Dips
6.5
7.2
Imaging
9.1
7.7
Passive Soundstage
0.6
1.3
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
7.5
7.5
Comfort Picture
Weight
0.02 lbs
0.03 lbs
Clamping Force
0 lbs
0 lbs
Controls
7.6
7.7
Controls Picture
OS Compatibility
Not OS specific
Not OS specific
Ease Of Use
Decent
Good
Feedback
Good
Good
Call/Music Control
Yes
Yes
Volume Control
Yes
Yes
Microphone Control
No
No
Channel Mixing
No
No
Noise Cancelling Control
On/Off
On/Off
Talk-Through
On/Off
On/Off
Additional Controls
Voice Assistant
Voice Assistant
Breathability
Breathability After Picture
Avg.Temp.Difference
Portability
9.4
9.5
Portability Picture
L
1.2" (3.1 cm)
1.6" (4.0 cm)
W
1.2" (3.1 cm)
1.2" (3.0 cm)
H
1.1" (2.9 cm)
0.8" (2.0 cm)
Volume
1.73 in³ (28.30 cm³)
1.39 in³ (22.70 cm³)
Transmitter Required
No
No
Case
7.5
8.0
Case Picture
Type
Hard case
Hard case
L
1.7" (4.4 cm)
2.2" (5.6 cm)
W
2.7" (6.8 cm)
2.3" (5.9 cm)
H
1.1" (2.9 cm)
1.1" (2.9 cm)
Volume
5.16 in³ (84.50 cm³)
5.95 in³ (97.50 cm³)
Build Quality
7.5
7.5
Build Quality Picture
Stability
7.0
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
Sound Profile
Normalization Frequency
600 Hz
Bass Amount
1.1 dB
-1.55 dB
Treble Amount
-4.8 dB
4.86 dB
Frequency Response Consistency
9.0
8.9
Consistency L
Consistency R
Avg. Std. Deviation
0.21 dB
0.22 dB
Raw Frequency Response
Bass Profile: Target Compliance
9.7
7.6
Bass Profile: Target Compliance
RMS Deviation From Target
1.5 dB
3.53 dB
Low-Frequency Extension
20 Hz
14.56 Hz
Low Bass
0.19 dB
0.57 dB
Mid Bass
1.91 dB
4.4 dB
High Bass
1.84 dB
4.45 dB
Mid-Range Profile: Target Compliance
9.2
7.3
Mid-Range Profile: Target Compliance
RMS Deviation From Target
0.99 dB
3.62 dB
Low Mid
1.07 dB
0.72 dB
Mid-Mid
-0.26 dB
0.81 dB
High Mid
-1.04 dB
5.74 dB
Treble Profile: Target Compliance
4.7
3.8
Treble Profile: Target Compliance
RMS Deviation From Target
5.33 dB
8.49 dB
Low Treble
-5.65 dB
5.31 dB
Mid Treble
-3.63 dB
11.86 dB
High Treble
-17.86 dB
12.51 dB
Peaks/Dips
6.5
7.2
Peaks/Dips Graph
Peaks
1.76 dB
1.73 dB
Dips
3.84 dB
1.73 dB
Imaging
9.1
7.7
Phase Response Mismatch
Weighted Group Delay
0.1
0.17
Weighted Phase Mismatch
2.15
7.41
Weighted Amplitude Mismatch
0.72
1.8
Weighted Frequency Mismatch
0.99
2.63
Passive Soundstage
0.6
1.3
PRTF
PRTF Accuracy (Std. Dev.)
N/A
N/A
PRTF Size (Avg.)
N/A
N/A
PRTF Distance
N/A
N/A
Openness
1.1
3.4
Acoustic Space Excitation
1.4
2.1
Virtual Soundstage
0.0
2.9
Virtual Soundstage
Head Modeling
No
No
Speaker Modeling
No
On/Off
Room Ambience
No
No
Head Tracking
No
On/Off
Virtual Surround
No
Spatial Audio
Weighted Harmonic Distortion
7.7
7.6
Weighted Harmonic Distortion
WHD @ 90
0.291
0.166
WHD @ 100
0.135
0.190
Test Settings
Firmware
4.19
4.15
Power
On
On
Connection
Bluetooth
Bluetooth 5.0
Codec
SBC, 16-bit, 48kHz
LDAC, 32-bit, 48kHz
Test Instrument
Audio Precision APx517B
EQ
Soundcore Signature
Soundcore Signature
ANC
Adaptive ANC
Adaptive ANC
Tip/Pad
Silicone (small)
Silicone (small)
Microphone
Integrated
Integrated
Isolation
Noise Isolation - Full Range
8.9
6.6
Noise Isolation - Full Range Graph
Noise Cancelling
Yes
Yes
Overall Attenuation
-23.54 dB
-15.45 dB
Isolation Audio
Bass
-21.44 dB
-13.16 dB
Mid
-23.02 dB
-14.99 dB
Treble
-26.69 dB
-18.34 dB
Noise Isolation - Common Scenarios
8.7
Noise Isolation - Common Scenarios Graph
Airplane Noise Attenuation
-19.54 dB
Airplane Noise Isolation Audio
Office Noise Attenuation
-20.97 dB
Office Noise Isolation Audio
Street Noise Attenuation
-21.16 dB
Street Noise Isolation Audio
Noise Isolation - Voice Handling
Female Voice 1
Male Voice 1
Female Voice 2
Male Voice 2
Leakage
8.8
8.2
Leakage Audio
Overall Leakage @ 1ft
28.66 dB
32.08 dB
Microphone
Microphone Style
Integrated
Yes
Yes
In-Line
No
No
Boom
No
No
Detachable Boom
No
No
Mic
Yes
Yes
Recording Quality
4.3
6.1
Microphone Frequency Response
Recorded Speech
LFE
177.02 Hz
276.97 Hz
FR Std. Dev.
9.66 dB
4.09 dB
HFE
7,452.94 Hz
3,891.46 Hz
Weighted THD
9,287.024
2.183
Gain
-16.02 dB
-28.54 dB
Noise Handling
7.0
7.9
SpNR
16.55 dB
10.8 dB
Noise Gate
Always On
Always On
Speech + Pink Noise Handling
7.0
8.5
Speech + Pink Noise Audio Sample
Speech + Subway Noise Handling
7.0
7.0
Speech + Subway Noise Audio Sample
Active Features
Battery
7.7
7.2
Battery Type
Rechargable
Rechargable
Continuous Battery Life
8.1 hrs
6.3 hrs
Additional Charges
4.0
2.0
Total Battery Life
40.5 hrs
18.9 hrs
Charge Time
0.8 hrs
0.8 hrs
Power-Saving Feature
Auto-Off Timer
Auto-Off Timer
Audio While Charging
Yes
Yes
Passive Playback
No
No
Charging Port
USB-C
USB-C
App Support
8.0
9.0
App Picture
App Name
Anker Soundcore
Anker Soundcore
iOS
Yes
Yes
Android
Yes
Yes
macOS
No
No
Windows
No
No
Equalizer
Graphic + Presets
Graphic + Presets
ANC Control
On/Off
Adjustable
Mic Control
No
No
Room Effects
No
No
Playback Control
No
No
Button Mapping
Yes
Yes
Surround Support
No
Yes
Connectivity
Wired Connection
0.0
0.0
Cable Picture
Analog Audio
No
No
USB Audio
No
No
Detachable
No
No
Length
N/A
N/A
Connector
No Wired Option
No Wired Option
Latency - Analog
N/A
Latency - USB
N/A
N/A
Recorded Latency
N/A
Recorded Latency Connection
No Wired Audio
Bluetooth Connection
8.4
8.4
Bluetooth Version
5.2
5.3
Multi-Device Pairing
2 Devices
2 Devices
NFC Pairing
No
Quick Pair (Android)
No
Quick Pair (iOS)
No
Line Of Sight Range
279.86 ft (85.30 m)
301.84 ft (92.00 m)
Latency - SBC
188 ms
287 ms
Latency - aptX
N/A
N/A
Latency - aptX Adaptive (High Quality)
N/A
Latency - aptX Adaptive (Low Latency)
N/A
Latency - LDAC
381 ms
Recorded Latency
Recorded Latency Codec
LDAC
AAC Support
Yes
PC Latency (aptX HD)
N/A
PC Latency (aptX-LL)
N/A
iOS Latency
92 ms
Android Latency
152 ms
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
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
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Black
Soundcore Space A40
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Soundcore Liberty 4
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Soundcore Space A40
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Soundcore Liberty 4
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Soundcore Space A40
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Anker Soundcore Space A40 Truly Wireless
Anker Soundcore Liberty 4 True Wireless
Comments
Anker Soundcore Space A40 Truly Wireless vs Anker Soundcore Liberty 4 True Wireless: Main Discussion
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