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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 4h 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 Ω80 Ω

below average for studio & professional headphones — based on 53 of 68 we've cataloged.

Connection Type
Wired-3.5mmMost common
Wired-3.5mm93%Wired-6.35mm7%

Wired-3.5mm is the most common — on 93% of the 67 studio & professional headphones we've cataloged (of 68).

Weight
200 gBelow average
200 g
120 g550 g

below average for studio & professional headphones — based on 58 of 68 we've cataloged.

Sound

Acoustic Design
Closed-back
Impedance
32 Ω
Driver Count
1
Driver Size
40 mm
Driver Type
Dynamic driver
Frequency Response
16-20000 Hz
Frequency Response High Hz
20000 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
Vinyl, stiff padding
Detachable Cable
No
Foldable
No
Headband Type
Self-adjusting over-head

Build

Material Chassis Primary
Plastic
Material Ear Cups
Vinyl, stiff padding

Identity

Model Number
K72

Microphone

Microphone
No

Release

Date
2015
Year
2015

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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AKG K72SoundGuys Headphone Preference Curve
Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.-20-100+10+20201001k10k20k

Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.

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

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 →

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