Side by side comparison and review of Poly Blackwire 3325 and EPOS I SENNHEISER ADAPT 261. 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 3325 | EPOS I SENNHEISER ADAPT 261 |
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Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
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Series | 3300 Series | - | |
Height | 18.6 cm | - | |
Width | 21.6 cm | - | |
Depth | 5.6 cm | - | |
Weight | 130 g | 120.7 g | EPOS I SENNHEISER ADAPT 261 are lighter than Poly Blackwire 3325 headphones. |
Colour | - | Black | |
Earpad Material | Leatherette | Leatherette | |
Protection | Hearing protection | - | |
Recommended Use | - | Portable electronics, computer |
SOUND QUALITY | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Headphones Form Factor | On-ear | On-ear | |
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Adjustable Headband | Yes | - | |
Connectivity Technology | Wired | Wireless | |
Wireless Technology | - | Bluetooth | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
Sensitivity | 94 dB | - | |
Impedance | 32 Ohm | - | |
Max Sound Pressure | - | 118 dB | |
Diaphragm | 32 mm | - | |
Magnet Material | - | Neodymium | |
Features | SoundGuard Technology | - | |
In-Cord Volume Control | Yes | - |
MICROPHONE | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Form Factor | - | Headset microphone | |
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Type | Boom | Boom | |
Noise Cancelling | Yes | - | Poly Blackwire 3325 microphone can cancel out ambient noise. |
Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Poly Blackwire 3325 offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 261. |
Sensitivity | -38 dB | - |
REMOTE CONTROL | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Controls | Mute, volume, answer/end | - |
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CABLE | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Cable Type | Headset cable | - |
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FEATURES | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Features | - | EPOS ActiveGard |
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BATTERY AND CHARGING | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Battery Type | - | Headphone battery rechargeable | |
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Battery Life | - | 27 hour(s) |
CONNECTIONS | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
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OTHERS | Poly Blackwire 3325 | EPOS I SENNHEISER ADAPT 261 |
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Included Accessories | Carrying pouch | USB-C adapter | |
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Software Certification | Certified for Microsoft Teams | Certified for Microsoft Teams, Optimised for UC | |
Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |