In depth comparison and review of Sennheiser CX 7.00BT and Erato RIO 3. 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 | Erato RIO 3 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 4.6 cm | |
| Width | - | 5.1 cm | |
| Depth | - | 3.4 cm | |
| Weight | - | 14 g | |
| Colour | Black | Yellow | Black | Turquoise | Green | Red | Silver | |
| Protection | - | Sweat-resistant, IPX5, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 7.00BT | Erato RIO 3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 | Erato RIO 3 have a more advanced version of Bluetooth than Sennheiser CX 7.00BT. |
| 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 7.00BT offer a larger frequency range than Erato RIO 3. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 100 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 14.2 mm |
| MICROPHONE | Sennheiser CX 7.00BT | Erato RIO 3 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Sensitivity | -44 dBV/Pascal | -38 dB |
| REMOTE CONTROL | Sennheiser CX 7.00BT | Erato RIO 3 |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode |
|---|
| CABLE | Sennheiser CX 7.00BT | Erato RIO 3 |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | Sennheiser CX 7.00BT | Erato RIO 3 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | 130 mAh | Sennheiser CX 7.00BT have a higher battery capacity than Erato RIO 3. |
| Battery Life | 10 hour(s) | 8 hour(s) | Sennheiser CX 7.00BT lasts longer on a single charge than the Erato RIO 3. |
| Battery Life Details | - | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
|
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | - | 2 |
| OTHERS | Sennheiser CX 7.00BT | Erato RIO 3 |
|---|
| Included Accessories | Carrying pouch, 4 ear tips (extra small, small, medium, large) | - |
|---|
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