In depth comparison and review of Sennheiser HD 2.30i and Poly EncorePro 725. 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 | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | HD 2 | EncorePro 700 Series | |
| Weight | 262 g | 78 g | Poly EncorePro 725 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 725 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 2.30i can be folded. |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | 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 | - | 28 mm | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono, omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 725 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 100 - 6800 Hz |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Controls | Volume, answer/end, play/pause | - |
|---|
| CABLE | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | 89 cm | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Features | - | 290° rotatable microphone |
|---|
| CONNECTIONS | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly EncorePro 725 |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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