In depth comparison and review of EPOS I SENNHEISER IMPACT MB 360 UC and Poly Blackwire 3320-M. 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 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 238 g | 130 g | Poly Blackwire 3320-M are lighter than EPOS I SENNHEISER IMPACT MB 360 UC headphones. |
| Colour | Black with silver | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Home audio, portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3320-M |
|---|
| 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 | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 360 UC offer a larger frequency range than Poly Blackwire 3320-M. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than EPOS I SENNHEISER IMPACT MB 360 UC. |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | - | 32 mm | |
| Features | Voice guidance | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional x 2 | - | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3320-M |
|---|
| Controls | Answer/end | Mute, volume, answer/end |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable Micro-USB cable |
- |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3320-M |
|---|
| 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 3320-M |
|---|
| Connector Type | Headphones | USB (24 pin USB-C) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 360 UC | Poly Blackwire 3320-M |
|---|
| Included Accessories | Carrying pouch, USB dongle | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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