Side by side comparison and review of Sennheiser HD 2.30i and Poly Blackwire 3320-M. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | HD 2 | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 262 g | 130 g | Poly Blackwire 3320-M are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | Black | |
| Earpad Material | Leatherette | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| 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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| 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 3320-M. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 115 dB/Vrms | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Sennheiser HD 2.30i. |
| Impedance | 22 Ohm | 32 Ohm | |
| Max Sound Pressure | 115 dB | 118 dB | |
| Diaphragm | - | 32 mm | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Mono, omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| Controls | Volume, answer/end, play/pause | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| CONNECTIONS | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly Blackwire 3320-M |
|---|
| Compatibility | iPhone | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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