In depth comparison and review of EPOS I SENNHEISER ADAPT 165 II 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 ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | ADAPT 100 Series | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 145.3 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than EPOS I SENNHEISER ADAPT 165 II headphones. |
| Colour | Black | Black | |
| Earpad Material | Leatherette | Artificial leather | |
| Recommended Use | Portable electronics, computer | Computer |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER ADAPT 165 II can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3225 (3300 Series) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 55% | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 28 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | Yes | - | EPOS I SENNHEISER ADAPT 165 II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | 100 - 10000 Hz | Poly Blackwire 3225 (3300 Series) offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 165 II. |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
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| Controls | - | Mute, volume, answer/end, hold, redial |
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| CABLE | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headset cable - 1.12 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 1.12 m | - |
| FEATURES | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| Features | EPOS ActiveGard | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headset (mini-phone 3.5mm) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 165 II | Poly Blackwire 3225 (3300 Series) |
|---|
| 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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