Detailed comparison and review of Sennheiser HD 2.30i and Poly Blackwire 325-M. 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 Blackwire 325-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | HD 2 | 300 Series | |
| Weight | 262 g | - | |
| Colour | Black | White | - | |
| Earpad Material | Leatherette | - | |
| Headband Material | - | Metal | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| 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 | 20 - 20000 Hz | Sennheiser HD 2.30i offer a larger frequency range than Poly Blackwire 325-M. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 115 dB/Vrms | - | |
| Impedance | 22 Ohm | - | |
| Max Sound Pressure | 115 dB | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono, omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| Controls | Volume, answer/end, play/pause | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| Cable Type | Headphones cable - 1.4 m | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | 1.4 m | 2.13 m | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| Additional Functions | - | DSP |
|---|
| CONNECTIONS | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly Blackwire 325-M |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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