In depth comparison and review of AKG K812 and Sennheiser HD 450BT. 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.
DESIGN AND DIMENSIONS | AKG K812 | Sennheiser HD 450BT |
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Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
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Weight | 390 g | 238 g | Sennheiser HD 450BT are lighter than AKG K812 headphones. |
Colour | Black | Black | White | |
Recommended Use | Professional audio | - |
SOUND QUALITY | AKG K812 | Sennheiser HD 450BT |
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Headphones Form Factor | Full size | Full size | |
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Headphones Technology | - | Dynamic | |
Ear Cups Type | Open | Closed | |
Foldable | - | Yes | Sennheiser HD 450BT can be folded. |
Connectivity Technology | Wired | Wireless | |
Wireless Technology | - | Bluetooth | |
Bluetooth Version | - | Bluetooth 5.0 | |
Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
Active Noise Cancelling | - | Yes | Sennheiser HD 450BT are equipped with active noice cancellation. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 5 - 54000 Hz | 18 - 22000 Hz | AKG K812 offer a larger frequency range than Sennheiser HD 450BT. |
Max Input Power | 300 mW | - | |
Total Harmonic Distortion (THD) | - | <0.3% | |
Sensitivity | 110 dB | - | |
Impedance | 36 Ohm | - | |
Max Sound Pressure | - | 108 dB | |
Diaphragm | 53 mm | - |
MICROPHONE | AKG K812 | Sennheiser HD 450BT |
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Form Factor | - | Built-in | |
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Microphone Operation Mode | - | Beamforming | |
Frequency Response | - | 80 - 6000 Hz | |
Microphones Included | - | 2 |
CABLE | AKG K812 | Sennheiser HD 450BT |
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Cable Type | Headphones cable - detachable - 3 m | Audio cable - detachable USB-C charge cable - detachable |
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Cable Length | 3 m | - | |
Detachable Cable | Yes | - | |
Plated Connector | Gold | - |
BATTERY AND CHARGING | AKG K812 | Sennheiser HD 450BT |
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Battery Type | - | Headphone battery rechargeable - lithium polymer | |
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Battery Capacity | - | 600 mAh | |
Battery Life | - | 30 hours | |
Charging Time | - | 2 hours |
CONNECTIONS | AKG K812 | Sennheiser HD 450BT |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
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OTHERS | AKG K812 | Sennheiser HD 450BT |
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Included Accessories | 6.3 mm (1/4") stereo adapter | Carrying case | |
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Service & Support | - | Limited warranty - 2 years |