Side by side comparison and review of Sennheiser HD 400S and Poly Voyager Focus 2-M. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 18.2 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 6.7 cm | |
| Weight | 217 g | 176 g | Poly Voyager Focus 2-M are lighter than Sennheiser HD 400S headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 50 m |
| SOUND QUALITY | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | 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 | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | 20 - 20000 Hz | Sennheiser HD 400S offer a larger frequency range than Poly Voyager Focus 2-M. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 32 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Focus 2-M have the ability to connect to multiple devices simultaneously. |
| Features | - | Dynamic EQ optimised |
| MICROPHONE | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | Sennheiser HD 400S offer a larger microphone frequency range than Poly Voyager Focus 2-M. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Controls | Answer/end, play/pause, next/previous track | Mute, volume, power on/off, answer/end, ANC mode |
|---|
| CABLE | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 1.4 m | 1.5 m | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Additional Functions | - | SoundGuard DIGITAL |
|---|
| BATTERY AND CHARGING | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| Battery Type | - | 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 400S | Poly Voyager Focus 2-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 400S | Poly Voyager Focus 2-M |
|---|
| 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 | Limited warranty - 2 years |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
