Side by side comparison and review of ifrogz FreeRein 2 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 | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 12 g | |
| Colour | White | Black | Purple | Red | Black | White | |
| Protection | Sweat-resistant, water-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | 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 | - | 17 - 20000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Impedance | - | 28 Ohm | |
| Max Sound Pressure | - | 100 dB | |
| Diaphragm | 8 mm | - | |
| Magnet Material | Neodymium | - | |
| Features | Magnetic ear buds | - |
| MICROPHONE | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional |
| REMOTE CONTROL | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Controls | Volume | 3-button remote |
|---|
| CABLE | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Cable Type | - | USB-C charge cable |
|---|
| BATTERY AND CHARGING | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 5 hour(s) | 10 hour(s) | Sennheiser CX 150BT lasts longer on a single charge than the ifrogz FreeRein 2. |
| OTHERS | ifrogz FreeRein 2 | Sennheiser CX 150BT |
|---|
| Included Accessories | 3 pairs of ear tips | 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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