In depth comparison and review of Poly - Plantronics Backbeat FIT 505 and Sennheiser PXC 550-II. 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 | Sennheiser PXC 550-II |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 6.726 cm | 17.4 cm | |
| Width | 14.877 cm | 13.6 cm | |
| Depth | 17.155 cm | 6.3 cm | |
| Weight | 155 g | 227 g | Poly - Plantronics Backbeat FIT 505 are lighter than Poly - Plantronics Backbeat FIT 505 headphones. |
| Colour | Black | - | |
| Earpad Material | Memory foam | - | |
| Headband Material | Memory foam | - | |
| Protection | Moisture-resistant, sweat-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser PXC 550-II have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 505. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | - | Yes | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 20000 Hz | 17 - 23000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | <3% | <0.5% | Sennheiser PXC 550-II have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 505. |
| Sensitivity | - | 110 dB | |
| Impedance | 32 Ohm | 490 Ohm | |
| Diaphragm | 40 mm | 32 mm | Poly - Plantronics Backbeat FIT 505 have a thicker diaphragm than Sennheiser PXC 550-II. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -34 dBV/Pascal | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Controls | Answer/end, play/pause, next/previous track | Mute, volume, answer/end, hold, play/pause, next/previous track |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Cable Type | Micro-USB charge cable Audio cable |
USB charge cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant, Alexa | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - lithium | |
|---|---|---|---|
| Battery Life | 18 hour(s) | 30 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 505. |
| Battery Life Details | - | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
|
| Standby Time | 480 hours | - | |
| Charging Time | 1.5 hour(s) | 3 hour(s) | Poly - Plantronics Backbeat FIT 505 recharge faster than Poly - Plantronics Backbeat FIT 505. |
| WIRELESS LINK | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
|---|
| OTHERS | Poly - Plantronics Backbeat FIT 505 | Sennheiser PXC 550-II |
|---|
| Included Accessories | - | Carrying case, airplane adapter | |
|---|---|---|---|
| Compliant Standards | - | MFI | |
| Service & Support | - | Limited warranty - 2 years |
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