In depth comparison and review of Poly - Plantronics Backbeat FIT 3200 (Left Earbud) and Sennheiser CX 400BT. 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 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 13 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black | White | Black | |
| Protection | Waterproof, sweat-resistant, IPX5, IP57 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear - over-the-ear mount | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 3200 (Left Earbud). |
| 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 | |
| Noise Isolating | Yes | - | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Poly - Plantronics Backbeat FIT 3200 (Left Earbud). |
| Total Harmonic Distortion (THD) | <3% | 0.08% | Sennheiser CX 400BT have lower total harmonic distortion than Poly - Plantronics Backbeat FIT 3200 (Left Earbud). |
| Sensitivity | 94 dB | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 13.5 mm | 7 mm | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in |
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| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Controls | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
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| CABLE | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
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| Cable Type | - | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Features | Voice alerts | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 90 mAh | 55 mAh | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 8 hour(s) | 7 hour(s) | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX 400BT recharge faster than Poly - Plantronics Backbeat FIT 3200 (Left Earbud). |
| Included Qty | 2 | 2 |
| WIRELESS LINK | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Poly - Plantronics Backbeat FIT 3200 (Left Earbud) | Sennheiser CX 400BT |
|---|
| Included Accessories | - | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU |
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