In depth comparison and review of EPOS I SENNHEISER IMPACT MB 360 UC and Poly Blackwire 3225 (3300 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 Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 238 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than EPOS I SENNHEISER IMPACT MB 360 UC headphones. |
| Colour | Black with silver | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Home audio, portable electronics | Computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 360 UC can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Bluetooth Profiles | 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | 90 dB | EPOS I SENNHEISER IMPACT MB 360 UC have higher sensitivity than Poly Blackwire 3225 (3300 Series). |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 28 mm | |
| Features | Voice guidance | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional x 2 | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | Answer/end | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headphones cable Micro-USB cable |
USB-A cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 25 hour(s) | - | |
| Standby Time | 25 hours | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headphones | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3225 (3300 Series) |
|---|
| Included Accessories | Carrying pouch, USB dongle | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | Limited warranty - 2 years | - |
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