Detailed comparison and review of Razer Hammerhead BT and SOUL RUN FREE PRO HD. 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 | SOUL RUN FREE PRO HD |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 1.7 cm | |
| Width | - | 1.9 cm | |
| Depth | - | 3.2 cm | |
| Weight | 28 g | 15 g | SOUL RUN FREE PRO HD are lighter than Razer Hammerhead BT headphones. |
| Colour | - | Blue | |
| Earpad Material | - | Memory foam | |
| Protection | - | Waterproof, sweat-resistant | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10.1 m | SOUL RUN FREE PRO HD have a greater operating distance than Razer Hammerhead BT. |
| SOUND QUALITY | Razer Hammerhead BT | SOUL RUN FREE PRO HD |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Balanced armature | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.0 EDR | Razer Hammerhead BT have a more advanced version of Bluetooth than SOUL RUN FREE PRO HD. |
| 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 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 10 mW | - | |
| Sensitivity | 116 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 10 mm | - | |
| Magnet Material | Neodymium magnet | - | |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Razer Hammerhead BT | SOUL RUN FREE PRO HD |
|---|
| 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 | SOUL RUN FREE PRO HD |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | Volume control |
|---|
| CABLE | Razer Hammerhead BT | SOUL RUN FREE PRO HD |
|---|
| Cable Type | Headphones cable - 63 cm | USB charge cable - detachable Headphones cable - reflective |
|
|---|---|---|---|
| Cable Length | 63 cm | - |
| BATTERY AND CHARGING | Razer Hammerhead BT | SOUL RUN FREE PRO HD |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 160 mAh | - | |
| Battery Life | 8 hour(s) | 12 hour(s) | SOUL RUN FREE PRO HD lasts longer on a single charge than the Razer Hammerhead BT. |
| Charging Time | 2 hour(s) | - |
| WIRELESS LINK | Razer Hammerhead BT | SOUL RUN FREE PRO HD |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Razer Hammerhead BT | SOUL RUN FREE PRO HD |
|---|
| Included Accessories | - | Carrying case, cable clip, 2 pairs of foam ear tips, 4 pairs of ear tips (XS, small, medium, large), 2 pairs of ear locks | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Service & Support | - | Limited warranty - 1 year |
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