In depth comparison and review of Poly - Plantronics Backbeat FIT 505 and beyerdynamic DT 1990 PRO 250 Ohm. 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 | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | 6.726 cm | - | |
| Width | 14.877 cm | - | |
| Depth | 17.155 cm | - | |
| Weight | 155 g | - | |
| Colour | Black | Black | |
| Earpad Material | Memory foam | - | |
| Headband Material | Memory foam | - | |
| Protection | Moisture-resistant, sweat-resistant | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
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| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Open | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Impedance | 32 Ohm | 250 Ohm | |
| Diaphragm | 40 mm | 45 mm | beyerdynamic DT 1990 PRO 250 Ohm have a thicker diaphragm than Poly - Plantronics Backbeat FIT 505. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
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| Form Factor | Built-in | - |
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| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
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| Controls | Answer/end, play/pause, next/previous track | - |
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| CABLE | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
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| Cable Type | Micro-USB charge cable Audio cable |
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| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 18 hour(s) | - | |
| Standby Time | 480 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| WIRELESS LINK | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
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| Transmission Range | 10 m | - |
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| CONNECTIONS | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1990 PRO 250 Ohm |
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| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
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