Detailed comparison and review of Sennheiser MOMENTUM Free and Sennheiser CX 150BT. 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 MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 40 g | 12 g | Sennheiser CX 150BT are lighter than Sennheiser MOMENTUM Free headphones. |
| Colour | Black, red | Black | White | |
| Earpad Material | Stainless steel | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Sennheiser MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Sennheiser CX 150BT have a more advanced version of Bluetooth than Sennheiser MOMENTUM Free. |
| 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) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 22000 Hz | 17 - 20000 Hz | Sennheiser MOMENTUM Free offer a larger frequency range than Sennheiser CX 150BT. |
| Total Harmonic Distortion (THD) | <0.5% | 0.5% | Both headphones have the same total harmonic distortion. |
| Sensitivity | 118 dB | - | |
| Impedance | 28 Ohm | 28 Ohm | |
| Max Sound Pressure | 112 dB | 100 dB | |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Sennheiser MOMENTUM Free have the ability to connect to multiple devices simultaneously. |
| Features | Voice control | - |
| MICROPHONE | Sennheiser MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Controls | Volume, answer/end, next/previous track, reject call | 3-button remote |
|---|
| CABLE | Sennheiser MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Cable Type | USB charge cable - detachable | USB-C charge cable |
|---|
| BATTERY AND CHARGING | Sennheiser MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 86 mAh | - | |
| Battery Life | 6 hour(s) | 10 hour(s) | Sennheiser CX 150BT lasts longer on a single charge than the Sennheiser MOMENTUM Free. |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Sennheiser MOMENTUM Free | Sennheiser CX 150BT |
|---|
| Included Accessories | Carrying case, 4 pairs of ear tips (XS, S,M, L) | 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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