In depth comparison and review of Poly Voyager Focus UC B825S-M and EPOS I SENNHEISER ADAPT 135 USB II. 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 | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Product Type | Headset - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
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Series | - | ADAPT 100 Series | |
Weight | 155 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Poly Voyager Focus UC B825S-M headphones. |
Colour | - | Black | |
Earpad Material | - | Leatherette | |
Recommended Use | Portable electronics, computer | Portable electronics, computer | |
Bluetooth Range (Operating Distance) | 45 m | - |
SOUND QUALITY | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Headphones Form Factor | On-ear | On-ear | |
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Headphones Technology | - | Dynamic | |
Connectivity Technology | Wireless | Wired | |
Wireless Technology | Bluetooth | - | |
Bluetooth Version | Bluetooth 4.1 | - | |
Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
Active Noise Cancelling | Yes | - | Poly Voyager Focus UC B825S-M are equipped with active noice cancellation. |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | - | EPOS Voice | |
Frequency Response | - | 20 - 20000 Hz | |
Max Sound Pressure | - | 115 dB | |
Magnet Material | - | Neodymium | |
In-Cord Volume Control | - | Yes |
MICROPHONE | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Type | Boom | Boom | |
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Microphone Operation Mode | Mono | Mono | |
Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
Frequency Response | - | 100 - 8000 Hz |
REMOTE CONTROL | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Controls | Volume | Volume, answer/end |
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CABLE | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Cable Type | Charging cable | Headset cable |
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FEATURES | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Features | - | EPOS ActiveGard | |
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Additional Functions | DSP | - |
BATTERY AND CHARGING | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Battery Type | Headset battery rechargeable | - | |
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Battery Life | 15 hour(s) | - |
CONNECTIONS | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Connector Type | Bluetooth | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
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OTHERS | Poly Voyager Focus UC B825S-M | EPOS I SENNHEISER ADAPT 135 USB II |
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Included Accessories | Carrying case, Bluetooth USB adapter, charging stand | - | |
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Software Certification | - | Optimised for UC | |
Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |