In depth comparison and review of Sennheiser CX 7.00BT and ifrogz FreeRein 2. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Colour | Black | White | Black | Purple | Red | |
| Protection | - | Sweat-resistant, water-resistant | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | 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 | 17 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 8 mm | |
| Magnet Material | - | Neodymium | |
| Features | - | Magnetic ear buds |
| MICROPHONE | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Controls | - | Volume |
|---|
| CABLE | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 5 hour(s) | Sennheiser CX 7.00BT lasts longer on a single charge than the ifrogz FreeRein 2. |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Sennheiser CX 7.00BT | ifrogz FreeRein 2 |
|---|
| Included Accessories | Carrying pouch, 4 ear tips (extra small, small, medium, large) | 3 pairs of ear tips | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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