In depth comparison and review of EPOS I SENNHEISER C20 and Poly Voyager Focus B825. 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 B825 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | C-series | - | |
| Height | 20 cm | 7 cm | |
| Width | 16.5 cm | 18.3 cm | |
| Depth | 5.8 cm | 16 cm | |
| Weight | 200 g | 155 g | Poly Voyager Focus B825 are lighter than EPOS I SENNHEISER C20 headphones. |
| Colour | Black | Black | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 25 m | 30 m | Poly Voyager Focus B825 have a greater operating distance than EPOS I SENNHEISER C20. |
| SOUND QUALITY | EPOS I SENNHEISER C20 | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Active Noise Cancelling | - | Yes | Poly Voyager Focus B825 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) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | EPOS BrainAdapt Technology | Smart Sensor Technology |
| MICROPHONE | EPOS I SENNHEISER C20 | Poly Voyager Focus B825 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | EPOS I SENNHEISER C20 | Poly Voyager Focus B825 |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | EPOS I SENNHEISER C20 | Poly Voyager Focus B825 |
|---|
| Cable Type | - | Micro-USB charging cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER C20 | Poly Voyager Focus B825 |
|---|
| Battery Type | Headset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 325 mAh | |
| Battery Life | - | 15 hour(s) | |
| Battery Life Details | - | Continuous playback (AAC, active noise-cancelling on): up to 12 hours Continuous talk (active noise-cancelling off): up to 12 hours Continuous talk (active noise-cancelling on): up to 10 hours Continuous playback (active noise-cancelling off): up to 15 hours |
|
| Standby Time | 300 hours | - | |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| OTHERS | EPOS I SENNHEISER C20 | Poly Voyager Focus B825 |
|---|
| Included Accessories | Carrying case, charging cable, BTD 800 USB dongle | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
