Detailed comparison and review of Sennheiser HD 1 In-Ear Wireless and JBL Free II. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
DESIGN AND DIMENSIONS | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
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Weight | - | 4.8 g | |
Dimensions & Weight Details | - | Earphone: 4.8 g Charging case: 52 g |
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Colour | - | Black | White | |
Protection | - | Splashproof, IPX4 | |
Recommended Use | Portable electronics | Portable electronics |
SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Headphones Form Factor | In-ear | In-ear | |
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Headphones Technology | Dynamic | Dynamic | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | JBL Free II have a more advanced version of Bluetooth than Sennheiser HD 1 In-Ear Wireless. |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), 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 JBL Free II. |
Total Harmonic Distortion (THD) | <0.5% | - | |
Sensitivity | - | 100 dB | |
Impedance | - | 16 Ohm | |
Max Sound Pressure | 112 dB | 95 dB | |
Diaphragm | - | 5.6 mm |
MICROPHONE | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Form Factor | - | Built-in | |
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Type | On-cable | - | |
Microphone Operation Mode | Omni-directional | - | |
Sensitivity | -44 dBV/Pascal | -38 dBV/Pascal |
CABLE | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Cable Type | USB charge cable | USB-C charge cable |
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FEATURES | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Features | - | Touch control |
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BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Battery Type | Headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - Lithium Ion | |
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Battery Capacity | 170 mAh | 55 mAh | Sennheiser HD 1 In-Ear Wireless have a higher battery capacity than JBL Free II. |
Battery Life | 10 hour(s) | 6 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the JBL Free II. |
Battery Life Details | - | (with included charging case): up to 24 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. |
Included Qty | - | 2 |
OTHERS | Sennheiser HD 1 In-Ear Wireless | JBL Free II |
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Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) |
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