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- Table of Contents
- Top
- Main Differences
- Design
- Sound
- Isolation
- Microphone
- Active Features
- Connectivity
- Comments
Koss Porta Pro KTC vs Koss KSC75
Side-by-Side Comparison
Products
Koss Porta Pro KTC
Koss KSC75
Tested using Methodology v1.3.1
Updated Aug 07, 2021 12:22 AM
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Amazon.comTested using Methodology v1.3.1
Updated Oct 06, 2022 12:48 PM
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Amazon.com
TypeOn-ear
EnclosureOpen-Back
Noise CancellingNo
WirelessNo
TransducerDynamic
MicYes
TypeOn-ear
EnclosureOpen-Back
Noise CancellingNo
WirelessNo
TransducerDynamic
MicNo
Variants
- Porta Pro KTC (Blue)
- Porta Pro (Red)
- Porta Pro (White)
- KSC75
Our Verdict
Koss Porta Pro KTC
Koss KSC75
The Koss Porta Pro are a slightly better headphone overall when compared to the Koss KSC75. The Porta Pro have a better-balanced sound and a more comfortable on-ear fit that you can wear for longer than the KSC75. The Porta Pro also have a better more durable design, although not by much. On the upside, the KSC75 are bit more portable and have a slightly more stable design if you plan to use them for sports.
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Blue
Porta Pro KTC
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KSC75
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Porta Pro
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KSC75
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Porta Pro
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KSC75
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KSC75
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KSC75
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Finding storeMain Differences for
Threshold
Mixed Usage
5.8
5.3
Controls
6.6
0.0
Comfort
7.5
6.5
Full Comparison
Design
Style
Design Picture 2
Type
On-ear
On-ear
Enclosure
Open-Back
Open-Back
Wireless
No
No
Transducer
Dynamic
Dynamic
Comfort
7.5
6.5
Comfort Picture
Weight
0.14 lbs
0.1 lbs
Clamping Force
0.43 lbs
0 lbs
Controls
6.6
0.0
Controls Picture
OS Compatibility
iOS
Not OS specific
Ease Of Use
Mediocre
N/A
Feedback
Subpar
N/A
Call/Music Control
Yes
No
Volume Control
Yes
No
Microphone Control
No
N/A
Channel Mixing
N/A
N/A
Noise Cancelling Control
N/A
N/A
Talk-Through
N/A
N/A
Additional Buttons
No
N/A
Breathability
9.1
8.8
Breathability After Picture
Avg.Temp.Difference
0.9 °C
1.2 °C
Portability
7.3
7.7
Portability Picture
L
3.5"
2.5"
W
3.31"
3.3"
H
2.25"
2"
Volume
26.1 in³
17 in³
Transmitter Required
N/A
N/A
Case
5.5
0.0
Case Picture
Type
Pouch
No case
L
N/A
N/A
W
N/A
N/A
H
N/A
N/A
Volume
N/A
N/A
Build Quality
5.5
5.5
Build Quality Picture
Stability
6.5
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
-2.8 dB
-7.44 dB
Treble Amount
-4.79 dB
-0.43 dB
Frequency Response Consistency
8.0
8.9
Consistency L
Consistency R
Avg. Std. Deviation
0.39 dB
0.22 dB
Raw Frequency Response
Bass Accuracy
7.1
6.3
Std. Err.
3.96 dB
4.98 dB
Low-Frequency Extension
32.21 Hz
62.59 Hz
Low-Bass
-3.01 dB
-9.76 dB
Mid-Bass
3.51 dB
0.26 dB
High-Bass
5.07 dB
3.23 dB
Mid Accuracy
8.2
8.3
Std. Err.
2.36 dB
2.25 dB
Low-Mid
3.3 dB
2.53 dB
Mid-Mid
0.96 dB
1.21 dB
High-Mid
1.7 dB
2.19 dB
Treble Accuracy
6.5
6.8
Std. Err.
4.69 dB
4.48 dB
Low-Treble
-0.54 dB
3.06 dB
Mid-Treble
-2.44 dB
1.79 dB
High-Treble
-6.77 dB
0.22 dB
Peaks/Dips
7.1
7.0
Peaks/Dips Graph
Peaks
1.88 dB
1.97 dB
Dips
1.43 dB
1.49 dB
Imaging
8.2
7.5
Phase Response
Weighted Group Delay
0.26
0.27
Weighted Amplitude Mismatch
1.04
0.14
Weighted Frequency Mismatch
1.79
2.92
Weighted Phase Mismatch
9.4
24.3
Soundstage
4.7
5.5
PRTF Accuracy (Std. Dev.)
3.21 dB
5.07 dB
PRTF Size (Avg.)
0.04 dB
-1.74 dB
PRTF Distance
2.6 dB
7.87 dB
Openness
9.8
9.8
Acoustic Space Excitation
5.8
6.5
Weighted Harmonic Distortion
7.9
6.8
Weighted Harmonic Distortion
WHD @ 90
0.148
0.219
WHD @ 100
0.147
0.715
Isolation
Noise Isolation
0.9
0.6
Noise Isolation
Isolation Audio
Overall Attenuation
-1.7 dB
-0.66 dB
Noise Cancelling
No
No
Bass
-0.46 dB
-0.05 dB
Mid
0.53 dB
0.78 dB
Treble
-4.96 dB
-2.54 dB
Leakage
5.3
4.7
Leakage Audio
Overall Leakage @ 1ft
48.28 dB
51.16 dB
Microphone
Microphone Style
Integrated
No
N/A
In-line
Yes
N/A
Boom
No
N/A
Detachable Boom
N/A
N/A
Mic
Yes
No
Recording Quality
6.1
0.0
Microphone Frequency Response
Recorded Speech
N/A
LFE
493.51 Hz
N/A
FR Std. Dev.
5.24 dB
N/A
HFE
9,665.27 Hz
N/A
Weighted THD
1.785
N/A
Gain
23.1 dB
N/A
Noise Handling
6.3
0.0
Speech + Pink Noise
N/A
Speech + Subway Noise
N/A
SpNR
15.36 dB
N/A
Active Features
Battery
0.0
0.0
Battery Type
N/A
N/A
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
N/A
Audio While Charging
N/A
N/A
Passive Playback
N/A
N/A
Charging Port
N/A
N/A
App Support
0.0
0.0
App Picture
App Name
N/A
N/A
iOS
N/A
N/A
Android
N/A
N/A
macOS
N/A
N/A
Windows
N/A
N/A
Equalizer
N/A
N/A
ANC Control
N/A
N/A
Mic Control
N/A
N/A
Room effects
N/A
N/A
Playback Control
N/A
N/A
Button Mapping
N/A
N/A
Surround Sound
N/A
N/A
Connectivity
Bluetooth
0.0
0.0
Bluetooth Version
N/A
N/A
Multi-Device Pairing
N/A
N/A
NFC Pairing
N/A
N/A
Line of Sight Range
N/A
N/A
Default Latency
N/A
N/A
aptX Latency
N/A
N/A
aptX(LL) Latency
N/A
N/A
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
9.0
9.0
Cable Picture
Analog Audio
Yes
Yes
USB Audio
No
No
Detachable
No
No
Length
4.11 ft
4.3 ft
Connection
1/8" TRRS
1/8" TRS
Wired Latency
0 ms
0 ms
PC / PS4 Compatibility
PC / PS4 Analog
Audio Only
Audio Only
PC / PS4 Wired USB
No
No
PC / PS4 Non-BT Wireless
No
No
Xbox One Compatibility
Xbox One Analog
Audio Only
Audio Only
Xbox One Wired USB
No
No
Xbox One Wireless
No
No
Base/Dock
0.0
0.0
Type
N/A
N/A
USB Input
N/A
N/A
Line In
N/A
N/A
Line Out
N/A
N/A
Optical Input
N/A
N/A
RCA Input
N/A
N/A
Dock Charging
N/A
N/A
Power Supply
N/A
N/A
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Blue
Porta Pro KTC
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KSC75
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Porta Pro
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KSC75
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Porta Pro
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KSC75
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KSC75
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KSC75
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Koss Porta Pro KTC
Koss KSC75
Comments
Koss Porta Pro KTC vs Koss KSC75: Main Discussion
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