In depth comparison and review of Poly - Plantronics Backbeat FIT 505 and beyerdynamic DT 1770 PRO. 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 1770 PRO |
|---|
| 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 | 388 g | Poly - Plantronics Backbeat FIT 505 are lighter than Poly - Plantronics Backbeat FIT 505 headphones. |
| 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 1770 PRO |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| 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 | 5 - 40000 Hz | beyerdynamic DT 1770 PRO offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | <3% | 0.05% | beyerdynamic DT 1770 PRO have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 505. |
| Sensitivity | - | 102 dB | |
| Impedance | 32 Ohm | 250 Ohm | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1770 PRO |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1770 PRO |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1770 PRO |
|---|
| Cable Type | Micro-USB charge cable Audio cable |
Headphones cable - 3 m Headphones cable - 5 m |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1770 PRO |
|---|
| 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 1770 PRO |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1770 PRO |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly - Plantronics Backbeat FIT 505 | beyerdynamic DT 1770 PRO |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter, 2 earpads, carrying bag |
|---|
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