Side by side comparison and review of Sennheiser HD 1 In-Ear Wireless and Poly - Plantronics Backbeat FIT 305. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 14 g | |
| Colour | - | Black | Dark blue | Coral | Lime green | |
| Protection | - | Sweat-resistant | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.1 | Both headphones have the same Bluetooth version. |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 1 In-Ear Wireless offer a larger frequency range than Poly - Plantronics Backbeat FIT 305. |
| Total Harmonic Distortion (THD) | <0.5% | <3% | Sennheiser HD 1 In-Ear Wireless have lower total harmonic distortion than Sennheiser HD 1 In-Ear Wireless. |
| Sensitivity | - | 106 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 6 mm |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Cable Type | USB charge cable | Micro-USB charge cable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 6 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Standby Time | - | 240 hours | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser HD 1 In-Ear Wireless recharge faster than Sennheiser HD 1 In-Ear Wireless. |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | Poly - Plantronics Backbeat FIT 305 |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Carrying pouch, 3 pairs of ear tips (small, medium, large) |
|---|
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