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Products
Beyerdynamic DT 990 PRO
Drop + Sennheiser/EPOS PC38X
Tested using Methodology v2.0
Updated Jul 29, 2025 07:23 PM
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Amazon.comTested using Methodology v2.0
Updated Jul 29, 2025 07:20 PM
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Amazon.com
TypeOver-ear
Noise CancellingNo
EnclosureOpen-Back
Bass AmountSlightly Underemphasized (-1 dB)
WirelessNo
TransducerDynamic
Treble AmountBalanced (0 dB)
MicNo
Sound SignatureBright
TypeOver-ear
Noise CancellingNo
EnclosureOpen-Back
Bass AmountUnderemphasized (-4 dB)
WirelessNo
TransducerDynamic
Treble AmountSlightly Underemphasized (-3 dB)
MicYes
Sound SignatureFlat
Our Verdict
Beyerdynamic DT 990 PRO
Drop + Sennheiser/EPOS PC38X
While the Beyerdynamic DT 990 PRO and the Drop + Sennheiser/EPOS PC38X are both great choices for critical listening, the Drop are a better choice for wired gaming. The Drop have volume controls and a boom mic to record your voice with body and clarity. They're also more comfortable. However, the Beyerdynamic are better built. The Beyerdynamic also have a touch more high-bass, which you might miss from the flatter-sounding Drop.
Variants
- DT 990 PRO (Black)
- DT 990 PRO (Grey)
- + Sennheiser PC38X (Black)
- + EPOS PC38X (Black)
- + Sennheiser PC38X (Black/Yellow)
- + EPOS PC38X (Black/Yellow)
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Black
DT 990 PRO
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+ Sennheiser PC38X
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Finding storeGrey
DT 990 PRO
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Finding storeBlack
+ EPOS PC38X
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Finding storeBlack/Yellow
+ Sennheiser PC38X
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Finding storeBlack/Yellow
+ EPOS PC38X
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Finding storeMain Differences forSports And Fitness
Sports And Fitness
Threshold
Sports And Fitness
6.0
5.9
Stability
7.0
6.5
Comfort
7.5
8.0
Full Comparison
Sound
Sound Profile
Sound Profile
Normalization Frequency
450 Hz
400 Hz
Bass Amount
Slightly Underemphasized (-1 dB)
Underemphasized (-4 dB)
Treble Amount
Balanced (0 dB)
Slightly Underemphasized (-3 dB)
Sound Signature
Bright
Flat
Frequency Response Consistency
8.5
7.6
Consistency L
Consistency R
Std. Deviation
0.65 dB
0.98 dB
Bass Profile: Target Compliance
8.6
7.4
Bass Profile: Target Compliance
RMS Deviation From Target
3.4 dB
5.5 dB
Low-Frequency Extension
25.75 Hz
29.76 Hz
Low Bass
-4.3 dB
-7.59 dB
Mid Bass
0.41 dB
-2.91 dB
High Bass
2.35 dB
-0.47 dB
Mid-Range Profile: Target Compliance
9.5
9.6
Mid-Range Profile: Target Compliance
RMS Deviation From Target
0.85 dB
0.74 dB
Low Mid
0.66 dB
-0.64 dB
Mid-Mid
-0.72 dB
-0.9 dB
High Mid
-0.75 dB
0.34 dB
Treble Profile: Target Compliance
9.0
7.6
Treble Profile: Target Compliance
RMS Deviation From Target
2.54 dB
3.63 dB
Low Treble
-1.26 dB
-1.13 dB
Mid Treble
2.22 dB
-4.92 dB
High Treble
-1.19 dB
-8.32 dB
Stereo Mismatch
7.8
5.8
Frequency Response Mismatch
Phase Response Mismatch
Weighted Amplitude Mismatch
0.41 dB
1.68 dB
Weighted Frequency Response Mismatch
1.22 dB
1.87 dB
Weighted Phase Mismatch
1.3°
1.7°
Cumulative Spectral Decay
CSD
PRTF
5.3
5.4
PRTF Accuracy (RMS Deviation)
2.35 dB
2.84 dB
PRTF Size (Avg.)
1.4 dB
2.22 dB
PRTF Distance
8.49 dB
8.7 dB
Harmonic Distortion
9.2
9.0
Harmonics Levels
THD Ratio
WHD @ 94 dB SPL
0.06%
0.08%
WHD @ 104 dB SPL
0.19%
0.23%
Electrical Aspects
Impedance
Sensitivity @1kHz-1V
103.6 dB SPL
113.6 dB SPL
Bluetooth Max SPL
N/A
N/A
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 App
No App
Test Settings
Firmware
No Firmware
No Firmware
Power
Passive
Passive
Connection
Wired
Wired
Codec
PCM, 24-bit, 48kHz
PCM, 24-bit, 48kHz
Test Instrument
Audio Precision APx517B
Audio Precision APx517B
EQ
No EQ
No EQ
ANC
No ANC
No ANC
Tip/Pad
Default
Default
Microphone
No Microphone
Boom
Design
Style
Design Picture 2
Type
Over-ear
Over-ear
Enclosure
Open-Back
Open-Back
Wireless
No
No
Transducer
Dynamic
Dynamic
Comfort
7.5
8.0
Comfort Picture
Weight
0.6 lbs
0.55 lbs
Clamping Force
1.4 lbs
1.4 lbs
Controls
0.0
5.6
Controls Picture
OS Compatibility
No Controls
Not OS specific
Ease Of Use
No Controls
Good
Feedback
No Controls
Decent
Call/Music Control
No
No
Volume Control
No
Yes
Microphone Control
No
Mute/Unmute
Channel Mixing
No
No
Noise Cancelling Control
No
No
Talk-Through
No
No
Additional Controls
No
No
Portability
5.8
5.5
Portability Picture
L
7.6" (19.3 cm)
7.4" (18.9 cm)
W
5.5" (14.0 cm)
6.7" (17.1 cm)
H
3.3" (8.4 cm)
3.6" (9.2 cm)
Volume
137.00 in³ (2,245.02 cm³)
181.42 in³ (2,973.00 cm³)
Transmitter Required
No
No
Case
6.5
5.5
Case Picture
Type
Pouch
Pouch
L
N/A
N/A
W
N/A
N/A
H
N/A
N/A
Volume
N/A
N/A
Build Quality
8.0
7.5
Build Quality Picture
Stability
7.0
6.5
Stability Picture
Headshots 1
Angled Picture
Side Picture
Headshots 2
Front Picture
Rear Picture
Top
Top Picture
In The Box
In The Box Picture
Isolation
Noise Isolation - Full Range
2.1
1.5
Noise Isolation - Full Range Graph
Noise Cancelling
No
No
Overall Attenuation
-4.66 dB
-3.45 dB
Bass
0.09 dB
0.21 dB
Mid
0.19 dB
1.00 dB
Treble
-15.74 dB
-12.79 dB
Noise Isolation - Common Scenarios
2.3
1.5
Noise Isolation - Common Scenarios Graph
Airplane Noise Attenuation
-3.72 dB
-2.44 dB
Airplane Noise Isolation Audio
Office Noise Attenuation
-4.32 dB
-2.67 dB
Office Noise Isolation Audio
Street Noise Attenuation
-4.43 dB
-3.04 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
N/A
Microphone
Microphone Style
Integrated
No
No
In-Line
No
No
Boom
No
Yes
Detachable Boom
No
No
Mic
No
Yes
Recording Quality
0.0
8.7
Microphone Frequency Response
Recorded Speech
N/A
LFE
N/A
20 Hz
FR Std. Dev.
N/A
1.6 dB
HFE
N/A
8,010.97 Hz
Weighted THD
N/A
0.176
Gain
N/A
27.08 dB
Noise Handling
0.0
7.5
SpNR
SpNR
N/A
35.95 dB
Noise Gate
No
Always On
Speech + Pink Noise Handling
N/A
7.5
Speech + Pink Noise Audio Sample
N/A
Speech + Subway Noise Handling
N/A
7.5
Speech + Subway Noise Audio Sample
N/A
Active Features
Battery
0.0
0.0
Battery Type
No Battery
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
No
No
Audio While Charging
No
No
Passive Playback
Passive Headphone
Passive Headphone
Charging Port
None
None
App Support
0.0
0.0
App Picture
App Name
No App
No App
iOS
No
No
Android
No
No
macOS
No
No
Windows
No
No
Equalizer
No
No
ANC Control
No
No
Mic Control
No
No
Room Effects
No
No
Playback Control
No
No
Button Mapping
No
No
Surround Support
No
No
Connectivity
Wired Connection
9.1
9.9
Cable Picture
Analog Audio
Yes
Yes
USB Audio
No
No
Detachable
No
Yes
Length
3.77 ft (1.15 m)
4.23 ft (1.29 m)
Connector
1/8" TRS
1/16" TRRS
Latency - Analog
0.2 ms
0.3 ms
Latency - USB
N/A
N/A
Recorded Latency
Recorded Latency Connection
Analog
Analog
Bluetooth Connection
0.0
0.0
Bluetooth Version
No Bluetooth
No Bluetooth
Multi-Device Pairing
No
No
Quick Pair (Android)
No
No
Quick Pair (iOS)
No
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
N/A
Latency - aptX Adaptive (Low Latency)
N/A
N/A
Latency - LDAC
N/A
N/A
Recorded Latency
N/A
N/A
Recorded Latency Codec
No Bluetooth Audio
No Bluetooth Audio
AAC Support
No
No
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
Audio + Microphone
Wired USB
No
No
Non-BT Wireless
No
No
PlayStation Compatibility
PS4 Analog
Audio Only
Audio + Microphone
PS4 Wired USB
No
No
PS4 Non-BT Wireless
No
No
PS5 Analog
Audio Only
Audio + Microphone
PS5 Wired USB
No
No
PS5 Non-BT Wireless
No
No
Xbox Compatibility
Xbox One Analog
Audio Only
Audio + Microphone
Xbox One Wired USB
No
No
Xbox One Non-BT Wireless
No
No
Xbox Series X|S Analog
Audio Only
Audio + Microphone
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
Black
DT 990 PRO
Searching
Finding storeBlack
+ Sennheiser PC38X
Searching
Finding storeGrey
DT 990 PRO
Searching
Finding storeBlack
+ EPOS PC38X
Searching
Finding storeBlack/Yellow
+ Sennheiser PC38X
Searching
Finding storeBlack/Yellow
+ EPOS PC38X
Searching
Finding store
Beyerdynamic DT 990 PRO
Drop + Sennheiser/EPOS PC38X
Comments
Beyerdynamic DT 990 PRO vs Drop + Sennheiser/EPOS PC38X: Main Discussion
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