In depth comparison and review of AKG K812 and Poly Blackwire 3320. 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 | Poly Blackwire 3320 |
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Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB | |
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Series | - | 3300 Series | |
Weight | 390 g | 130 g | Poly Blackwire 3320 are lighter than AKG K812 headphones. |
Colour | Black | - | |
Protection | - | Hearing protection | |
Recommended Use | Professional audio | - |
SOUND QUALITY | AKG K812 | Poly Blackwire 3320 |
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Headphones Form Factor | Full size | On-ear | |
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Ear Cups Type | Open | - | |
Adjustable Headband | - | Yes | |
Connectivity Technology | Wired | Wired | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 5 - 54000 Hz | 20 - 20000 Hz | AKG K812 offer a larger frequency range than Poly Blackwire 3320. |
Max Input Power | 300 mW | - | |
Sensitivity | 110 dB | 94 dB | AKG K812 have higher sensitivity than Poly Blackwire 3320. |
Impedance | 36 Ohm | 32 Ohm | |
Diaphragm | 53 mm | 32 mm | AKG K812 have a thicker diaphragm than Poly Blackwire 3320. |
Features | - | SoundGuard Technology | |
In-Cord Volume Control | - | Yes |
MICROPHONE | AKG K812 | Poly Blackwire 3320 |
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Type | - | Boom | |
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Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
Frequency Response | - | 100 - 10000 Hz | |
Sensitivity | - | -38 dB |
REMOTE CONTROL | AKG K812 | Poly Blackwire 3320 |
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Controls | - | Mute, volume, answer/end |
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CABLE | AKG K812 | Poly Blackwire 3320 |
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Cable Type | Headphones cable - detachable - 3 m | Headset cable | |
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Cable Length | 3 m | - | |
Detachable Cable | Yes | - | |
Plated Connector | Gold | - |
CONNECTIONS | AKG K812 | Poly Blackwire 3320 |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) |
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OTHERS | AKG K812 | Poly Blackwire 3320 |
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Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
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Software Certification | - | Certified for Microsoft Teams | |
Service & Support | - | Limited warranty - 2 years |