In depth comparison and review of Poly - Plantronics Backbeat FIT 505 and Sennheiser HD 450BT. 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 HD 450BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 6.726 cm | - | |
| Width | 14.877 cm | - | |
| Depth | 17.155 cm | - | |
| Weight | 155 g | 238 g | Poly - Plantronics Backbeat FIT 505 are lighter than Poly - Plantronics Backbeat FIT 505 headphones. |
| Colour | Black | Black | White | |
| 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 | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 450BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser HD 450BT 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 HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 20000 Hz | 18 - 22000 Hz | Sennheiser HD 450BT offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | <3% | <0.3% | Sennheiser HD 450BT have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 505. |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat FIT 505 | Sennheiser HD 450BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 505 | Sennheiser HD 450BT |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 505 | Sennheiser HD 450BT |
|---|
| Cable Type | Micro-USB charge cable Audio cable |
Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 505 | Sennheiser HD 450BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | 18 hour(s) | 30 hours | Sennheiser HD 450BT lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 505. |
| Standby Time | 480 hours | - | |
| Charging Time | 1.5 hour(s) | 2 hours | Poly - Plantronics Backbeat FIT 505 recharge faster than Poly - Plantronics Backbeat FIT 505. |
| WIRELESS LINK | Poly - Plantronics Backbeat FIT 505 | Sennheiser HD 450BT |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Poly - Plantronics Backbeat FIT 505 | Sennheiser HD 450BT |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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