In depth comparison and review of Sennheiser HD 2.20s 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 | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | HD 2.0 | - | |
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | 246 g | 155 g | Poly Voyager Focus B825 are lighter than Sennheiser HD 2.20s headphones. |
| Colour | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 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 | 18 - 18000 Hz | 20 - 20000 Hz | Poly Voyager Focus B825 offer a larger frequency range than Sennheiser HD 2.20s. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 117 dB | - | |
| Impedance | 26 Ohm | - | |
| Diaphragm | - | 32 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | - | Smart Sensor Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Controls | Volume, answer/end, play/pause | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Cable Type | Headphones cable - 1.4 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Battery Type | - | 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 |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 2.20s | Poly Voyager Focus B825 |
|---|
| Included Accessories | Audio cable (1.4 m) | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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