In depth comparison and review of Erato RIO 3 and RHA CL2 Planar. 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 | Erato RIO 3 | RHA CL2 Planar |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless - 3.5 mm jack, 2.5 mm jack | |
|---|---|---|---|
| Height | 4.6 cm | - | |
| Width | 5.1 cm | - | |
| Depth | 3.4 cm | - | |
| Weight | 14 g | 9 g | RHA CL2 Planar are lighter than Erato RIO 3 headphones. |
| Colour | 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 | Erato RIO 3 | RHA CL2 Planar |
|---|
| Headphones Form Factor | In-ear | In-ear - neckband | |
|---|---|---|---|
| Headphones Technology | - | Planar magnetic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| 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, aptX | aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 16 - 45000 Hz | RHA CL2 Planar offer a larger frequency range than Erato RIO 3. |
| Max Input Power | - | 10 mW | |
| Sensitivity | 100 dB | 89 dB/mW | Erato RIO 3 have higher sensitivity than RHA CL2 Planar. |
| Impedance | 32 Ohm | 15 Ohm | |
| Diaphragm | 14.2 mm | 10 mm | Erato RIO 3 have a thicker diaphragm than RHA CL2 Planar. |
| MICROPHONE | Erato RIO 3 | RHA CL2 Planar |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Erato RIO 3 | RHA CL2 Planar |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode | - |
|---|
| CABLE | Erato RIO 3 | RHA CL2 Planar |
|---|
| Cable Type | - | MMCX to mini-phone 3.5 mm cable - detachable - OFC - straight MMCX to sub-mini-phone 2.5 mm cable - detachable - straight USB-C charge cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Erato RIO 3 | RHA CL2 Planar |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 130 mAh | - | |
| Battery Life | 8 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
- | |
| Included Qty | 2 | - |
| CONNECTIONS | Erato RIO 3 | RHA CL2 Planar |
|---|
| Connector Type | - | 2 x headphones (MMCX) |
|---|
| OTHERS | Erato RIO 3 | RHA CL2 Planar |
|---|
| Included Accessories | - | Carrying pouch, airplane adapter, 3 pairs of Comply foam ear tips, adjustable sports clip, 6 pairs of dual density ear tips (small, medium, large), ear tips holder, 3 pairs of double flange ear tips (small, medium, large), flight case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 3 years |
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