In depth comparison and review of EPOS I SENNHEISER IMPACT MB 360 UC and Poly Voyager 4220 Office (UC Series). 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 IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 238 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than EPOS I SENNHEISER IMPACT MB 360 UC headphones. |
| Colour | Black with silver | - | |
| Recommended Use | Home audio, portable electronics | - | |
| Bluetooth Range (Operating Distance) | 25 m | 30 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than EPOS I SENNHEISER IMPACT MB 360 UC. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 360 UC can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.1 | Poly Voyager 4220 Office (UC Series) have a more advanced version of Bluetooth than EPOS I SENNHEISER IMPACT MB 360 UC. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | aptX | - | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 360 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 360 UC offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | 94 dB | EPOS I SENNHEISER IMPACT MB 360 UC have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | Voice guidance | SoundGuard Technology |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional x 2 | Uni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | Answer/end | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Headphones cable Micro-USB cable |
- |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Battery Type | Headphone battery rechargeable | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | 25 hour(s) | 12 hour(s) | EPOS I SENNHEISER IMPACT MB 360 UC lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | 25 hours | 312 hours | Poly Voyager 4220 Office (UC Series) have longer standby time than EPOS I SENNHEISER IMPACT MB 360 UC. |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than EPOS I SENNHEISER IMPACT MB 360 UC. |
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Headphones | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | Carrying pouch, USB dongle | Wireless headset system base, Bluetooth USB-C adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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