Side by side comparison and review of Sennheiser HD 2.30i and Poly - Plantronics Backbeat 505. 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 - Plantronics Backbeat 505 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | HD 2 | 500 Series | |
| Weight | 262 g | 155 g | Poly - Plantronics Backbeat 505 are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | Dark grey | |
| Earpad Material | Leatherette | Memory foam | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 2.30i can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| 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 | - | 40 mm | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono, omni-directional | - |
| REMOTE CONTROL | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Controls | Volume, answer/end, play/pause | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 18 hour(s) |
| WIRELESS LINK | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 2.30i | Poly - Plantronics Backbeat 505 |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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