Side by side comparison and review of Sennheiser HD 1 In-Ear Wireless and JVC HA FX21BT. 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 | JVC HA FX21BT |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 11 g | |
| Colour | - | Black | White | |
| Protection | - | Splashproof, sweat-resistant | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| 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) | |
| Bluetooth Audio Codec | - | SBC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 15 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 1 In-Ear Wireless offer a larger frequency range than JVC HA FX21BT. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 8.2 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| Controls | - | Power on/off, volume control, 3-button remote |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| Cable Type | USB charge cable | USB charge cable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 5 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the JVC HA FX21BT. |
| Charging Time | 1.5 hour(s) | 2.5 hour(s) | Sennheiser HD 1 In-Ear Wireless recharge faster than Sennheiser HD 1 In-Ear Wireless. |
| CONNECTIONS | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| Connector Type | - | USB (power only) |
|---|
| OTHERS | Sennheiser HD 1 In-Ear Wireless | JVC HA FX21BT |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | 2 pairs of low rebound earpieces (small, medium) |
|---|
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