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- Table of Contents
- Top
- Main Differences
- Design
- Sound
- Isolation
- Microphone
- Active Features
- Connectivity
- Comments
Razer Kraken USB vs Superlux HD 681
Side-by-Side Comparison
Products
Razer Kraken USB
Superlux HD 681
Tested using Methodology v1.3.1
Updated Aug 07, 2021 12:23 AM
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Amazon.comTested using Methodology v1.8
Updated Dec 09, 2024 07:16 PM
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Amazon.com
TypeOver-ear
Noise CancellingNo
EnclosureClosed-Back
WirelessNo
TransducerDynamic
MicYes
TypeOver-ear
Noise CancellingNo
EnclosureSemi-Open
WirelessNo
TransducerDynamic
MicNo
Variants
- Kraken USB
- HD 681
Our Verdict
Razer Kraken USB
Superlux HD 681
Full comparison details regarding individual product score sets can be found in the section below
Check Price
Standard
Kraken USB
SEE PRICE
Amazon.comStandard
HD 681
SEE PRICE
Amazon.comStandard
Kraken USB
SEE PRICE
BestBuy.comStandard
HD 681
SEE PRICE
Amazon.comStandard
Kraken USB
SEE PRICE
Walmart.comStandard
HD 681
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Amazon.comStandard
Kraken USB
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B&HMain Differences forNeutral Sound
Neutral Sound
Threshold
Neutral Sound
5.6
7.9
Mid Accuracy
5.9
9.1
Treble Accuracy
3.6
6.9
Soundstage
5.0
7.8
Peaks/Dips
5.5
7.7
Frequency Response Consistency
6.4
7.8
Bass Accuracy
6.4
7.4
Weighted Harmonic Distortion
6.1
7.6
Full Comparison
Design
Style
Design Picture 2
Type
Over-ear
Over-ear
Enclosure
Closed-Back
Semi-Open
Wireless
No
No
Transducer
Dynamic
Dynamic
Comfort
6.0
7.5
Comfort Picture
Weight
0.5 lbs
0.5 lbs
Clamping Force
1.2 lbs
0.9 lbs
Controls
0.0
0.0
Controls Picture
OS Compatibility
Not OS specific
No Controls
Ease Of Use
N/A
No Controls
Feedback
N/A
No Controls
Call/Music Control
No
No
Volume Control
No
No
Microphone Control
No
No
Channel Mixing
No
No
Noise Cancelling Control
N/A
No
Talk-Through
N/A
No
Additional Controls
N/A
No
Breathability
6.4
6.8
Breathability After Picture
Avg.Temp.Difference
6.1 °C
4.8 °C
Portability
5.2
5.4
Portability Picture
L
7.6"
8.0" (20.3 cm)
W
7.1"
7.2" (18.3 cm)
H
4.5"
3.5" (8.9 cm)
Volume
243 in³
201.00 in³ (3,293.79 cm³)
Transmitter Required
N/A
No
Case
0.0
5.5
Case Picture
Type
No case
No case
L
N/A
N/A
W
N/A
N/A
H
N/A
N/A
Volume
N/A
N/A
Build Quality
6.0
5.5
Build Quality Picture
Stability
6.0
6.0
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
Sound Profile
Normalization Frequency
1,500 Hz
Bass Amount
-1.27 dB
-4.2 dB
Treble Amount
-5.45 dB
1.6 dB
Frequency Response Consistency
6.4
7.8
Consistency L
Consistency R
Avg. Std. Deviation
0.77 dB
0.44 dB
Raw Frequency Response
Raw FR L
Raw FR L
Raw FR R
Raw FR R
Bass Profile: Target Compliance
6.4
7.4
Bass Profile: Target Compliance
RMS Deviation From Target
4.95 dB
5.5 dB
Low-Frequency Extension
34.13 Hz
27.29 Hz
Low Bass
-3.04 dB
-7.23 dB
Mid Bass
5.99 dB
-2.34 dB
High Bass
5.95 dB
-1.53 dB
Mid-Range Profile: Target Compliance
5.9
9.1
Mid-Range Profile: Target Compliance
RMS Deviation From Target
5.51 dB
1.01 dB
Low Mid
7.18 dB
-1.12 dB
Mid-Mid
4.31 dB
-0.96 dB
High Mid
-2.76 dB
0.38 dB
Treble Profile: Target Compliance
3.6
6.9
Treble Profile: Target Compliance
Treble
RMS Deviation From Target
7.37 dB
3.39 dB
Low Treble
-9.19 dB
-0.24 dB
Mid Treble
0.48 dB
4.05 dB
High Treble
-4.29 dB
-1.81 dB
Peaks/Dips
5.5
7.7
Peaks/Dips Graph
Peaks/Dips Graph
Peaks
3.16 dB
1.1 dB
Dips
2.48 dB
2.39 dB
Imaging
7.1
8.1
Phase Response
Phase Response Mismatch
Weighted Group Delay
0.52
0.26
Weighted Phase Mismatch
24.41
12.02
Weighted Amplitude Mismatch
0.62
0.76
Weighted Frequency Mismatch
2.69
1.71
Passive Soundstage
5.0
7.8
PRTF Accuracy (Std. Dev.)
5.72 dB
1.58 dB
PRTF Size (Avg.)
2.97 dB
6.36 dB
PRTF Distance
8.8 dB
11.68 dB
Openness
5.9
9.2
Acoustic Space Excitation
3.4
6.7
Virtual Soundstage
0.0
Virtual Soundstage
Head Modeling
No
Speaker Modeling
No
Room Ambience
No
Head Tracking
No
Virtual Surround
No App
Weighted Harmonic Distortion
6.1
7.6
Weighted Harmonic Distortion
WHD @ 90
1.084
0.145
WHD @ 100
0.495
0.313
Test Settings
Firmware
No Firmware
Power
Passive
Connection
Wired
Codec
PCM, 24-bit, 48kHz
Test Instrument
Audio Precision APx517B
EQ
No EQ
ANC
No ANC
Tip/Pad
Default
Microphone
No Microphone
Isolation
Noise Isolation - Full Range
4.0
2.6
Noise Isolation - Full Range Graph
Noise Cancelling
No
No
Overall Attenuation
-10.06 dB
-5.95 dB
Isolation Audio
Bass
0.6 dB
0.18 dB
Mid
-5.3 dB
-0.14 dB
Treble
-25.84 dB
-19.85 dB
Noise Isolation - Common Scenarios
2.8
Noise Isolation - Common Scenarios Graph
Airplane Noise Attenuation
-5.04 dB
Airplane Noise Isolation Audio
Office Noise Attenuation
-5.31 dB
Office Noise Isolation Audio
Street Noise Attenuation
-5.59 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
ANC Wind Noise
N/A
Leakage
7.3
4.3
Leakage Audio
Overall Leakage @ 1ft
37.87 dB
52.9 dB
Microphone
Microphone Style
Integrated
No
No
In-Line
No
No
Boom
Yes
No
Detachable Boom
No
No
Mic
Yes
No
Recording Quality
8.4
0.0
Microphone Frequency Response
Recorded Speech
N/A
LFE
20.59 Hz
N/A
FR Std. Dev.
1.88 dB
N/A
HFE
5,664.61 Hz
N/A
Weighted THD
0.149
N/A
Gain
16.93 dB
N/A
Noise Handling
8.9
0.0
SpNR
44.34 dB
N/A
Noise Gate
No
Speech + Pink Noise Handling
N/A
Speech + Pink Noise Audio Sample
N/A
Speech + Subway Noise Handling
N/A
Speech + Subway Noise Audio Sample
N/A
Active Features
Battery
0.0
0.0
Battery Type
N/A
No Battery
Continuous Battery Life
N/A
N/A
Additional Charges
N/A
N/A
Total Battery Life
N/A
N/A
Charge Time
N/A
N/A
Power-Saving Feature
N/A
No
Audio While Charging
N/A
No
Passive Playback
N/A
Passive Headphone
Charging Port
N/A
None
App Support
8.5
0.0
App Picture
App Name
Razer Synapse
No App
iOS
N/A
No
Android
N/A
No
macOS
Yes
No
Windows
Yes
No
Equalizer
Graphic + Presets
No
ANC Control
N/A
No
Mic Control
N/A
No
Room Effects
Yes
No
Playback Control
No
No
Button Mapping
No
No
Surround Sound
Dolby 7.1
Surround Support
No
Connectivity
Wired Connection
8.9
9.1
Cable Picture
Analog Audio
No
Yes
USB Audio
Yes
No
Detachable
No
No
Length
6.3 ft
8.00 ft (2.44 m)
Connector
USB
1/8" TRS
Latency - Analog
0.2 ms
Latency - USB
N/A
Recorded Latency
Recorded Latency Connection
Analog
Wired Latency
3 ms
Bluetooth Connection
0.0
0.0
Bluetooth Version
N/A
No Bluetooth
Multi-Device Pairing
N/A
No
NFC Pairing
N/A
Quick Pair (Android)
No
Quick Pair (iOS)
No
Line Of Sight Range
N/A
N/A
Latency - SBC
N/A
N/A
Latency - aptX
N/A
N/A
Latency - aptX Adaptive (High Quality)
N/A
Latency - aptX Adaptive (Low Latency)
N/A
Latency - LDAC
N/A
Recorded Latency
N/A
Recorded Latency Codec
No Bluetooth Audio
AAC Support
No
aptX(LL) Latency
N/A
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
Audio Only
Wired USB
No
Non-BT Wireless
No
PlayStation Compatibility
PS4 Analog
No
Audio Only
PS4 Wired USB
Audio + Microphone
No
PS4 Non-BT Wireless
No
No
PS5 Analog
Audio Only
PS5 Wired USB
No
PS5 Non-BT Wireless
No
Xbox Compatibility
Xbox One Analog
No
Audio Only
Xbox One Wired USB
No
No
Xbox One Non-BT Wireless
No
No
Xbox Series X|S Analog
Audio Only
Xbox Series X|S Wired USB
No
Xbox Series X|S Non-BT Wireless
No
Base/Dock
0.0
0.0
Type
N/A
No Base/Dock
USB Input
N/A
No
Line In
N/A
No
Line Out
N/A
No
Optical Input
N/A
No
RCA Input
N/A
No
Dock Charging
N/A
No
Power Supply
N/A
No Base/Dock
PC / PS4 Compatibility
PC / PS4 Analog
No
Audio Only
PC / PS4 Wired USB
Audio + Microphone
No
PC / PS4 Non-BT Wireless
No
No
Check Price
Standard
Kraken USB
SEE PRICE
Amazon.comStandard
HD 681
SEE PRICE
Amazon.comStandard
Kraken USB
SEE PRICE
BestBuy.comStandard
HD 681
SEE PRICE
Amazon.comStandard
Kraken USB
SEE PRICE
Walmart.comStandard
HD 681
SEE PRICE
Amazon.comStandard
Kraken USB
SEARCH
B&H
Razer Kraken USB
Superlux HD 681
Comments
Razer Kraken USB vs Superlux HD 681: Main Discussion
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