In depth comparison and review of Sennheiser HMDC 27 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 HMDC 27 | Poly Voyager Focus 2 |
|---|
| Product Type | Headset - wired | Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 18.2 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 6.7 cm | |
| Weight | 240 g | 176 g | Poly Voyager Focus 2 are lighter than Sennheiser HMDC 27 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Professional audio | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 50 m |
| SOUND QUALITY | Sennheiser HMDC 27 | Poly Voyager Focus 2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 8 - 18000 Hz | 20 - 20000 Hz | Poly Voyager Focus 2 offer a larger frequency range than Sennheiser HMDC 27. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Max Sound Pressure | 128 dB | - | |
| 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 HMDC 27 | Poly Voyager Focus 2 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | MEMS-directional | |
| Frequency Response | 40 - 18000 Hz | 100 - 6800 Hz | Sennheiser HMDC 27 offer a larger microphone frequency range than Poly Voyager Focus 2. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser HMDC 27 | Poly Voyager Focus 2 |
|---|
| Controls | - | Mute, volume, power on/off, answer/end, ANC mode |
|---|
| CABLE | Sennheiser HMDC 27 | Poly Voyager Focus 2 |
|---|
| Cable Type | - | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | - | 1.5 m |
| FEATURES | Sennheiser HMDC 27 | Poly Voyager Focus 2 |
|---|
| Features | EPOS ActiveGard | - | |
|---|---|---|---|
| Additional Functions | - | SoundGuard DIGITAL |
| BATTERY AND CHARGING | Sennheiser HMDC 27 | Poly Voyager Focus 2 |
|---|
| 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 HMDC 27 | Poly Voyager Focus 2 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HMDC 27 | Poly Voyager Focus 2 |
|---|
| Included Accessories | Wind screen, cable clip, headband padding | 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 |
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