Detailed comparison and review of Sennheiser HD 1 In-Ear Wireless and SOUL RUN FREE PRO. 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 | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 3.2 cm | |
| Width | - | 1.8 cm | |
| Depth | - | 1.8 cm | |
| Weight | - | 17 g | |
| Colour | - | Black | |
| Protection | - | Waterproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.0 EDR | Sennheiser HD 1 In-Ear Wireless have a more advanced version of Bluetooth than SOUL RUN FREE PRO. |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Max Sound Pressure | 112 dB | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | Mono | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Controls | - | Volume, volume control, play/pause button, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Cable Type | USB charge cable | USB charge cable Headset cable - 57.5 cm |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 8 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the SOUL RUN FREE PRO. |
| Standby Time | - | 240 hours | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser HD 1 In-Ear Wireless recharge faster than Sennheiser HD 1 In-Ear Wireless. |
| WIRELESS LINK | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Transmission Range | - | 10 m |
|---|
| OTHERS | Sennheiser HD 1 In-Ear Wireless | SOUL RUN FREE PRO |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Carrying case, cable clip, 3 pairs of ear tips (small, medium, large) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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