In depth comparison and review of Poly - Plantronics Backbeat FIT 305 and Sennheiser MOMENTUM True Wireless 2. 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 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | - | |
| Dimensions & Weight Details | - | Charging case: 7.68 cm x 4.38 cm x 3.47 cm / 58 g Charging case with earphones: 70 g Earphone: 6 g |
|
| Colour | Black | Dark blue | Coral | Lime green | White | Black | |
| Protection | Sweat-resistant | Splashproof, IPX4 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | Sennheiser MOMENTUM True Wireless 2 have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 305. |
| 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 | |
| Active Noise Cancelling | - | Yes | Sennheiser MOMENTUM True Wireless 2 are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Sennheiser MOMENTUM True Wireless 2 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser MOMENTUM True Wireless 2 offer a larger frequency range than Poly - Plantronics Backbeat FIT 305. |
| Total Harmonic Distortion (THD) | <3% | <0.08% | Sennheiser MOMENTUM True Wireless 2 have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 305. |
| Sensitivity | 106 dB | 107 dB | Sennheiser MOMENTUM True Wireless 2 have higher sensitivity than Poly - Plantronics Backbeat FIT 305. |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 7 mm | Sennheiser MOMENTUM True Wireless 2 have a thicker diaphragm than Poly - Plantronics Backbeat FIT 305. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Volume, answer/end, play/pause |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Cable Type | Micro-USB charge cable | USB-C charge cable |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Voice Control | - | Indirect | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 7 hour(s) | Sennheiser MOMENTUM True Wireless 2 lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 305. |
| Battery Life Details | - | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 28 hours |
|
| Standby Time | 240 hours | - | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser MOMENTUM True Wireless 2 recharge faster than Poly - Plantronics Backbeat FIT 305. |
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Sennheiser MOMENTUM True Wireless 2 |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | Charging case, 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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