Detailed comparison and review of Razer Hammerhead BT and JVC HA FX21BT. 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 | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | 11 g | JVC HA FX21BT are lighter than Razer Hammerhead BT headphones. |
| Colour | - | Black | White | |
| Protection | - | Splashproof, sweat-resistant | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| 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) | |
| Bluetooth Audio Codec | - | SBC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 10 mW | - | |
| Sensitivity | 116 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 10 mm | 8.2 mm | Razer Hammerhead BT have a thicker diaphragm than JVC HA FX21BT. |
| Magnet Material | Neodymium magnet | Neodymium | |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | Power on/off, volume control, 3-button remote |
|---|
| CABLE | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Cable Type | Headphones cable - 63 cm | USB charge cable | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| BATTERY AND CHARGING | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 160 mAh | - | |
| Battery Life | 8 hour(s) | 5 hour(s) | Razer Hammerhead BT lasts longer on a single charge than the JVC HA FX21BT. |
| Charging Time | 2 hour(s) | 2.5 hour(s) | Razer Hammerhead BT recharge faster than Razer Hammerhead BT. |
| WIRELESS LINK | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Connector Type | - | USB (power only) |
|---|
| OTHERS | Razer Hammerhead BT | JVC HA FX21BT |
|---|
| Included Accessories | - | 2 pairs of low rebound earpieces (small, medium) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - |
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