In depth comparison and review of Razer Hammerhead BT and JBL Under Armour True Wireless Flash. 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 | Razer Hammerhead BT | JBL Under Armour True Wireless Flash |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | 16 g | JBL Under Armour True Wireless Flash are lighter than Razer Hammerhead BT headphones. |
| 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 True Wireless Flash |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 | JBL Under Armour True Wireless Flash 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than Razer Hammerhead BT. |
| Max Input Power | 10 mW | - | |
| Sensitivity | 116 dB | 95 dB | Razer Hammerhead BT have higher sensitivity than JBL Under Armour True Wireless Flash. |
| Impedance | 32 Ohm | 14 Ohm | |
| Max Sound Pressure | - | 113 dB | |
| Diaphragm | 10 mm | 5.8 mm | Razer Hammerhead BT have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| 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 True Wireless Flash |
|---|
| 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 True Wireless Flash |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button |
|---|
| CABLE | Razer Hammerhead BT | JBL Under Armour True Wireless Flash |
|---|
| Cable Type | Headphones cable - 63 cm | - | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| FEATURES | Razer Hammerhead BT | JBL Under Armour True Wireless Flash |
|---|
| Features | - | True wireless | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Now |
| BATTERY AND CHARGING | Razer Hammerhead BT | JBL Under Armour True Wireless Flash |
|---|
| Battery Type | Headphone battery lithium polymer | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 160 mAh | 85 mAh | Razer Hammerhead BT have a higher battery capacity than JBL Under Armour True Wireless Flash. |
| Battery Life | 8 hour(s) | 5 hour(s) | Razer Hammerhead BT lasts longer on a single charge than the JBL Under Armour True Wireless Flash. |
| 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 True Wireless Flash |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Razer Hammerhead BT | JBL Under Armour True Wireless Flash |
|---|
| Included Accessories | - | 3 pairs of ear tips (small, medium, large), micro-USB charging cable, 3 pairs of wing tips (small, medium, large), charging case (1500 mAh) | |
|---|---|---|---|
| Software Included | - | MapMyRun premium membership (12 months) | |
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | IPX7 | |
| Service & Support | - | Limited warranty - 1 year |
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