Side by side comparison and review of Poly Blackwire 325 and Poly Blackwire C725-UC. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
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Series | 300 Series | 700 Series | |
Headband Material | Metal | - | |
Recommended Use | - | Computer |
SOUND QUALITY | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Headphones Form Factor | On-ear | On-ear | |
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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 | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
Features | SoundGuard Technology | - | |
In-Cord Volume Control | Yes | Yes |
MICROPHONE | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Form Factor | - | Headset microphone | |
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Type | Boom | Boom | |
Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Poly Blackwire 325 offer a larger microphone frequency range than Poly Blackwire C725-UC. |
REMOTE CONTROL | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Controls | Mute, volume, answer/end | Mute, volume, answer/end |
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CABLE | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Cable Type | Headset cable - 2.13 m | USB cable - 2.04 m | |
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Cable Length | 2.13 m | 2.04 m |
FEATURES | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Additional Functions | DSP | - |
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CONNECTIONS | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (4 PIN USB Type A) |
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OTHERS | Poly Blackwire 325 | Poly Blackwire C725-UC |
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Included Accessories | - | Carrying case | |
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Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |