Sennheiser HD 4.40 vs. AKG K812

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser HD 4.40 and AKG K812. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

Sennheiser HD 4.40 vs. AKG K812 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 4.40 AKG K812
Product Type Headphones - Bluetooth - wireless - NFC Headphones - wired - 3.5 mm jack
Weight - 390 g
Colour - Black
Recommended Use - Professional audio
SOUND QUALITY Sennheiser HD 4.40 AKG K812
Headphones Form Factor Full size Full size
Ear Cups Type Closed Open
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 4.0 -
Sound Output Mode Stereo Stereo
Frequency Response 18 - 22000 Hz 5 - 54000 Hz AKG K812 offer a larger frequency range than Sennheiser HD 4.40.
Max Input Power - 300 mW
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 113 dB 110 dB Sennheiser HD 4.40 have higher sensitivity than AKG K812.
Impedance 18 Ohm 36 Ohm
Diaphragm - 53 mm
MICROPHONE Sennheiser HD 4.40 AKG K812
Form Factor Built-in -
Microphone Operation Mode Omni-directional -
Frequency Response 100 - 10000 Hz -
Microphones Included 2 -
CABLE Sennheiser HD 4.40 AKG K812
Cable Type - Headphones cable - detachable - 3 m
Cable Length - 3 m
Detachable Cable - Yes
Plated Connector - Gold
BATTERY AND CHARGING Sennheiser HD 4.40 AKG K812
Battery Type Headphone battery lithium polymer -
CONNECTIONS Sennheiser HD 4.40 AKG K812
Connector Type - Headphones (mini-phone stereo 3.5 mm)
OTHERS Sennheiser HD 4.40 AKG K812
Included Accessories - 6.3 mm (1/4") stereo adapter
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