Detailed comparison and review of Razer Hammerhead BT and JBL Under Armour Project Rock True Wireless X. 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 | JBL Under Armour Project Rock True Wireless X |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Colour | - | Black | |
| Protection | - | Waterproof, sweat-resistant, IPX7 | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | JBL Under Armour Project Rock True Wireless X have a more advanced version of Bluetooth than Razer Hammerhead BT. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Noise Isolating | - | Yes | JBL Under Armour Project Rock True Wireless X are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | JBL Under Armour Project Rock True Wireless X offer a larger frequency range than Razer Hammerhead BT. |
| Max Input Power | 10 mW | - | |
| Sensitivity | 116 dB | 96 dB/mW | Razer Hammerhead BT have higher sensitivity than JBL Under Armour Project Rock True Wireless X. |
| Impedance | 32 Ohm | 14 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | 10 mm | 5.8 mm | Razer Hammerhead BT have a thicker diaphragm than JBL Under Armour Project Rock True Wireless X. |
| Magnet Material | Neodymium magnet | - | |
| Features | Bluetooth aptX technology | TalkThru technology, JBL Charged Sound, Ambient Aware | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | -42 dB | -25 dBV/Pascal | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | - |
|---|
| CABLE | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Cable Type | Headphones cable - 63 cm | USB-C charge cable - detachable | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| BATTERY AND CHARGING | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Battery Type | Headphone battery lithium polymer | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 160 mAh | 120 mAh | Razer Hammerhead BT have a higher battery capacity than JBL Under Armour Project Rock True Wireless X. |
| Battery Life | 8 hour(s) | 10 hour(s) | JBL Under Armour Project Rock True Wireless X lasts longer on a single charge than the Razer Hammerhead BT. |
| Battery Life Details | - | Continuous talk: up to 10 hours Continuous playback: up to 10 hours Continuous playback (with included charging case): up to 50 hours |
|
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| WIRELESS LINK | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Razer Hammerhead BT | JBL Under Armour Project Rock True Wireless X |
|---|
| Included Accessories | - | Carrying case, 3 pairs of ear tips, 3 pairs of EarFins, sticker, USB-C charging cable, charging case (1500 mAh) | |
|---|---|---|---|
| Software Included | - | MapMyRun premium membership (12 months) | |
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | IPX7 |
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