In depth comparison and review of AKG K812 and Poly Blackwire C725-UC. 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 C725-UC |
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Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB | |
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Series | - | 700 Series | |
Weight | 390 g | - | |
Colour | Black | - | |
Recommended Use | Professional audio | Computer |
SOUND QUALITY | AKG K812 | Poly Blackwire C725-UC |
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Headphones Form Factor | Full size | On-ear | |
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Ear Cups Type | Open | - | |
Connectivity Technology | Wired | Wired | |
Active Noise Cancelling | - | Yes | Poly Blackwire C725-UC are equipped with active noice cancellation. |
Active Noise Cancelling Technology | - | SoundGuard | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 5 - 54000 Hz | 20 - 20000 Hz | AKG K812 offer a larger frequency range than Poly Blackwire C725-UC. |
Max Input Power | 300 mW | - | |
Sensitivity | 110 dB | - | |
Impedance | 36 Ohm | - | |
Diaphragm | 53 mm | - | |
In-Cord Volume Control | - | Yes |
MICROPHONE | AKG K812 | Poly Blackwire C725-UC |
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Form Factor | - | Headset microphone | |
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Type | - | Boom | |
Frequency Response | - | 100 - 8000 Hz |
REMOTE CONTROL | AKG K812 | Poly Blackwire C725-UC |
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Controls | - | Mute, volume, answer/end |
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CABLE | AKG K812 | Poly Blackwire C725-UC |
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Cable Type | Headphones cable - detachable - 3 m | USB cable - 2.04 m | |
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Cable Length | 3 m | 2.04 m | |
Detachable Cable | Yes | - | |
Plated Connector | Gold | - |
CONNECTIONS | AKG K812 | Poly Blackwire C725-UC |
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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 C725-UC |
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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 |