Side by side comparison and review of SOUL RUN FREE PRO HD and Sennheiser CX 150BT. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 1.7 cm | - | |
| Width | 1.9 cm | - | |
| Depth | 3.2 cm | - | |
| Weight | 15 g | 12 g | Sennheiser CX 150BT are lighter than SOUL RUN FREE PRO HD headphones. |
| Colour | Blue | Black | White | |
| Earpad Material | Memory foam | - | |
| Protection | Waterproof, sweat-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10.1 m | 10 m | SOUL RUN FREE PRO HD have a greater operating distance than Sennheiser CX 150BT. |
| SOUND QUALITY | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Balanced armature | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 EDR | Bluetooth 5.0 | Sennheiser CX 150BT 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) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 17 - 20000 Hz | Sennheiser CX 150BT offer a larger frequency range than SOUL RUN FREE PRO HD. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Impedance | - | 28 Ohm | |
| Max Sound Pressure | - | 100 dB | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional |
| REMOTE CONTROL | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| Controls | Volume control | 3-button remote |
|---|
| CABLE | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| Cable Type | USB charge cable - detachable Headphones cable - reflective |
USB-C charge cable |
|---|
| BATTERY AND CHARGING | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 12 hour(s) | 10 hour(s) | SOUL RUN FREE PRO HD lasts longer on a single charge than the Sennheiser CX 150BT. |
| OTHERS | SOUL RUN FREE PRO HD | Sennheiser CX 150BT |
|---|
| 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 | 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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