Side by side comparison and review of Sennheiser HD 2.30i (HD 2.0) 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 (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | HD 2.0 | 500 Series | |
| Weight | - | 155 g | |
| Colour | Black | Dark grey | |
| Earpad Material | - | Memory foam | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 2.30i (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| 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 | 120 dB | - | |
| Impedance | 22 Ohm | - | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 2.30i (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | Sennheiser HD 2.30i (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 2.30i (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 2.30i (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 18 hour(s) |
| WIRELESS LINK | Sennheiser HD 2.30i (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 2.30i (HD 2.0) | 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 (HD 2.0) | Poly - Plantronics Backbeat 505 |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - | |
| Service & Support | Limited warranty - 2 years | - |
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