In depth comparison and review of Sennheiser HD 4.40 and Poly Voyager Focus 2. 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 4.40 | Poly Voyager Focus 2 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 18.2 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 6.7 cm | |
| Weight | - | 176 g | |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 50 m |
| SOUND QUALITY | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 5.1 | Poly Voyager Focus 2 have a more advanced version of Bluetooth than Sennheiser HD 4.40. |
| 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 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Poly Voyager Focus 2. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Diaphragm | - | 32 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Focus 2 have the ability to connect to multiple devices simultaneously. |
| Features | - | Dynamic EQ optimised |
| MICROPHONE | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | MEMS-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | Sennheiser HD 4.40 offer a larger microphone frequency range than Poly Voyager Focus 2. |
| Microphones Included | 2 | 4 | Poly Voyager Focus 2 have a built-in microphone. |
| REMOTE CONTROL | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Controls | - | Mute, volume, power on/off, answer/end, ANC mode |
|---|
| CABLE | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Cable Type | - | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | - | 1.5 m |
| FEATURES | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Additional Functions | - | SoundGuard DIGITAL |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Battery Type | Headphone battery lithium polymer | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| 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 |
|
| Standby Time | - | 30 days | |
| Charging Time | - | 2 hours |
| CONNECTIONS | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 4.40 | Poly Voyager Focus 2 |
|---|
| Included Accessories | - | Charging stand, charging cable, travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| 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 |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
