In depth comparison and review of Sennheiser CX 7.00BT and Poly - Plantronics Backbeat FIT 3150. 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 | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
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Weight | - | 26 g | |
Dimensions & Weight Details | - | Earbud: 13 g Charging case: 89 g |
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Colour | Black | Black, blue | Black | |
Protection | - | Waterproof, sweat-resistant, IP57 | |
Design | - | Sports | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | - | 30 m |
SOUND QUALITY | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Headphones Form Factor | In-ear | In-ear - over-the-ear mount | |
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Headphones Technology | Dynamic | - | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Poly - Plantronics Backbeat FIT 3150 have a more advanced version of Bluetooth than Sennheiser CX 7.00BT. |
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 | |
Sound Effects | - | Bass Boost | |
Frequency Response | 17 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 7.00BT offer a larger frequency range than Poly - Plantronics Backbeat FIT 3150. |
Total Harmonic Distortion (THD) | 0.5% | <3% | Sennheiser CX 7.00BT have lower total harmonic distortion than Sennheiser CX 7.00BT. |
Sensitivity | - | 94 dB | |
Max Sound Pressure | 112 dB | - | |
Diaphragm | - | 13.5 mm |
MICROPHONE | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Form Factor | - | Built-in | |
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Type | On-cable | - | |
Microphone Operation Mode | Omni-directional | - | |
Sensitivity | -44 dBV/Pascal | - |
REMOTE CONTROL | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Controls | - | Mute, volume control, answer/end, play/pause, next/previous track, voice assistant |
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CABLE | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Cable Type | USB charge cable | Micro-USB charge cable - detachable |
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FEATURES | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Features | - | Voice alerts |
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BATTERY AND CHARGING | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Battery Type | Headphone battery rechargeable - Lithium Ion | 2 x headphone battery rechargeable - lithium polymer | |
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Battery Capacity | 170 mAh | 90 mAh | Sennheiser CX 7.00BT have a higher battery capacity than Poly - Plantronics Backbeat FIT 3150. |
Battery Life | 10 hour(s) | 8 hour(s) | Sennheiser CX 7.00BT lasts longer on a single charge than the Poly - Plantronics Backbeat FIT 3150. |
Battery Life Details | - | Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 24 hours |
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Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser CX 7.00BT recharge faster than Sennheiser CX 7.00BT. |
Included Qty | - | 2 |
OTHERS | Sennheiser CX 7.00BT | Poly - Plantronics Backbeat FIT 3150 |
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Included Accessories | Carrying pouch, 4 ear tips (extra small, small, medium, large) | USB charging cable, charging case (740 mAh) | |
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Service & Support | - | Limited warranty - parts and labour - 1 year |