Detailed comparison and review of Sennheiser HD 2.30i and Poly EncorePro 520V. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | HD 2 | EncorePro 500 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 262 g | 74 g | Poly EncorePro 520V are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | Black | |
| Earpad Material | Leatherette | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 2.30i can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly EncorePro 520V are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 115 dB/Vrms | - | |
| Impedance | 22 Ohm | - | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 5.6 mm | |
| Signal-To-Noise Ratio | - | 50 dB | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono, omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 520V microphone can cancel out ambient noise. |
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Controls | Volume, answer/end, play/pause | - |
|---|
| CABLE | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | 78.5 cm | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly EncorePro 520V |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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