Side by side comparison and review of Poly - Plantronics Backbeat 505 and Sennheiser HMD 300 PRO. 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 | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Series | 500 Series | - | |
| Weight | 155 g | 319 g | Poly - Plantronics Backbeat 505 are lighter than Poly - Plantronics Backbeat 505 headphones. |
| Colour | Dark grey | - | |
| Earpad Material | Memory foam | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HMD 300 PRO can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Active Noise Cancelling | - | Yes | Sennheiser HMD 300 PRO are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 60 - 25000 Hz | |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | 0.1% | |
| Sensitivity | - | 108 dB | |
| Impedance | - | 64 Ohm | |
| Max Sound Pressure | - | 123 dB | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 80 - 16000 Hz | |
| Sensitivity | - | 0.4 mV/Pascal | |
| Impedance | - | 300 Ohm |
| REMOTE CONTROL | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| FEATURES | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 18 hour(s) | - |
| WIRELESS LINK | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Poly - Plantronics Backbeat 505 | Sennheiser HMD 300 PRO |
|---|
| Included Accessories | - | Wind screen |
|---|
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