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AKG K721 / 9
AKG

AKG K72

Sometimes you get what you pay for.

Current price · Amazon US
$48.95
Check Price on Amazon

Price last checked 22h ago

Key specs

Acoustic Design
Closed-backMost common
Closed-back57%Open-back35%Semi-open8%

Closed-back is the most common — on 57% of the 65 studio & professional headphones we've cataloged (of 68).

Impedance
32 ΩBelow average
32 Ω
18 Ω120 Ω

below average for studio & professional headphones — based on 51 of 68 we've cataloged.

Frequency Response
16-20000 Hz
Connection Type
Wired-3.5mmMost common
Wired-3.5mm91%Wired-6.35mm9%

Wired-3.5mm is the most common — on 91% of the 66 studio & professional headphones we've cataloged (of 68).

Sound

Acoustic Design
Closed-back
Impedance
32 Ω
Frequency Response
16-20000 Hz
Driver Count
1
Driver Size
40 mm
Driver Type
Dynamic driver
Frequency Response High Hz
22000 Hz
Frequency Response Low Hz
16 Hz
Max Spl
200 dB SPL
Sensitivity
112 dB/mW

Connectivity

Connection Type
Wired-3.5mm
Cable Type
3.5mm single-ended, straight

Design

Weight
200 g
Ear Pad Type
Foam, pleather, leatherette
Detachable Cable
No
Foldable
No
Headband Type
Self-adjusting over-head

Build

Material Chassis Primary
Plastic, steel
Material Ear Cups
Leatherette, pleather, foam

Identity

Model Number
K72

Microphone

Microphone
No

Release

Date
2015
Year
2015

SoundGuys review

Read the full review ›
SOUNDGUYS rating
4.7/ 10
Not recommended
Jasper Lastoria
Reviewed byJasper LastoriaWriterReviewed February 2023
Isolation2.5
Comfort & fit6.9
Connectivity6.5
Design6.1
Portability3.6
Features4.5
The verdict

AKG cuts too many corners with the AKG K72. They don't sound very good, and feel pretty cheap with stiff cushioning. That AKG retains the tension based headband and light clamp force are the main good points here.

✓What we like
✓Price
✓Lightweight
✓Comfortable headband
✕What could be better
✕Wonky sound quality
✕Mediocre isolation
✕Stiff padding
Read the full SoundGuys review →

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

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0 of 4 overlay slots used
AKG K72SoundGuys Headphone Preference Curve
AKG K72 frequency responseMeasured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.-24-18-12-60+6+12201001k10k20k

Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.

Frequency response — measurement data
AKG K72: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)Response (dB)
20-12.4
25-9.6
32-7.1
40-5.5
50-4.2
63-5.7
80-6.0
100-4.8
125-4.6
160-4.2
200-3.9
250-2.6
315-2.9
400-7.6
500-1.2
630-0.1
8000.4
1000-0.0
1250-5.3
1600-8.2
2000-8.9
2500-7.4
3150-5.0
40003.0
5000-2.4
63002.5
80004.2
100000.7
12500-10.7
16000-9.2
20000-21.4

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