In depth comparison and review of Sennheiser HD 2.30i and Poly Blackwire 8225. 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 Blackwire 8225 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | HD 2 | - | |
| Weight | 262 g | 186 g | Poly Blackwire 8225 are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 2.30i | Poly Blackwire 8225 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 2.30i can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 2.30i offer a larger frequency range than Poly Blackwire 8225. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 115 dB/Vrms | 84 dB | Sennheiser HD 2.30i have higher sensitivity than Poly Blackwire 8225. |
| Impedance | 22 Ohm | 32 Ohm | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | Poly Blackwire 8225 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono, omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly Blackwire 8225 |
|---|
| Controls | Volume, answer/end, play/pause | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 2.30i | Poly Blackwire 8225 |
|---|
| Cable Type | Headphones cable - 1.4 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 1.4 m | 2.2 m | |
| Detachable Cable | Yes | - |
| CONNECTIONS | Sennheiser HD 2.30i | Poly Blackwire 8225 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (USB Type-C) |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly Blackwire 8225 |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Software Certification | - | Zoom Certified | |
| Service & Support | Limited warranty - 2 years | - |
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