In depth comparison and review of Sennheiser HD 25 Plus and Poly - Plantronics Backbeat 505. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | - | 500 Series | |
| Weight | 140 g | 155 g | Sennheiser HD 25 Plus are lighter than Sennheiser HD 25 Plus headphones. |
| Colour | - | Dark grey | |
| Earpad Material | - | Memory foam | |
| Design | DJ | - | |
| Recommended Use | Professional audio, home audio | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Headphones Form Factor | On-ear | 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 | 16 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.3% | - | |
| Sensitivity | 120 dB | - | |
| Impedance | 70 Ohm | - | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Cable Type | Headphones cable - 1.3 m Headphones cable - 1.5 m |
- |
|---|
| BATTERY AND CHARGING | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 18 hour(s) |
| WIRELESS LINK | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 25 Plus | Poly - Plantronics Backbeat 505 |
|---|
| Included Accessories | Protective pouch, 3.5 mm to 6.3 mm adapter, 2 pairs of earpads | - |
|---|
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