In depth comparison and review of EPOS I SENNHEISER C20 and Poly Voyager Focus 2-M. 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 | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter | |
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Series | C-series | - | |
Height | 20 cm | 18.2 cm | |
Width | 16.5 cm | 15.5 cm | |
Depth | 5.8 cm | 6.7 cm | |
Weight | 200 g | 176 g | Poly Voyager Focus 2-M are lighter than EPOS I SENNHEISER C20 headphones. |
Colour | Black | Black | |
Earpad Material | - | Artificial leather | |
Recommended Use | - | Portable electronics, computer | |
Bluetooth Range (Operating Distance) | 25 m | 50 m | Poly Voyager Focus 2-M have a greater operating distance than EPOS I SENNHEISER C20. |
SOUND QUALITY | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Headphones Form Factor | On-ear | On-ear | |
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Headphones Technology | Dynamic | - | |
Adjustable Headband | - | Yes | |
Connectivity Technology | Wireless | Wireless, wired | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | - | Bluetooth 5.1 | |
Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
Active Noise Cancelling | - | Yes | Poly Voyager Focus 2-M are equipped with active noice cancellation. |
Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | - | 20 - 20000 Hz | |
Total Harmonic Distortion (THD) | 3% | - | |
Diaphragm | - | 32 mm | |
Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Focus 2-M have the ability to connect to multiple devices simultaneously. |
Features | EPOS BrainAdapt Technology | Dynamic EQ optimised |
MICROPHONE | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Type | Boom | Boom | |
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Microphone Operation Mode | - | MEMS-directional | |
Frequency Response | - | 100 - 6800 Hz | |
Microphones Included | - | 4 |
REMOTE CONTROL | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Controls | - | Mute, volume, power on/off, answer/end, ANC mode |
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CABLE | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Cable Type | - | Micro-USB charging cable | |
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Cable Length | - | 1.5 m |
FEATURES | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Additional Functions | - | SoundGuard DIGITAL |
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BATTERY AND CHARGING | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Battery Type | Headset battery rechargeable | Headset battery rechargeable - Lithium Ion | |
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Battery Capacity | - | 560 mAh | |
Battery Life | - | 40 hours | |
Battery Life Details | - | Continuous talk (noise cancelling ON): up to 16 hours Continuous talk (noise cancelling OFF): up to 18 hours Continuous hearing (noise cancelling ON): up to 24 hours Continuous hearing (noise cancelling OFF): up to 40 hours |
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Standby Time | 300 hours | 30 days | Poly Voyager Focus 2-M have longer standby time than EPOS I SENNHEISER C20. |
Charging Time | 2 hour(s) | 2 hours | The charging of both headphones last the same time. |
CONNECTIONS | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Connector Type | - | USB (USB Type-A) |
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OTHERS | EPOS I SENNHEISER C20 | Poly Voyager Focus 2-M |
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Included Accessories | Carrying case, charging cable, BTD 800 USB dongle | Charging stand, charging cable, travel pouch, BT700 Bluetooth USB adapter | |
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Compatible Software | - | Microsoft Teams | |
Software Certification | - | Certified for Microsoft Teams | |
Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |