Side by side comparison and review of Sennheiser HD 1 In-Ear Wireless and RHA T20 Wireless. 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 | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Earphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 49 g | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Headphones Form Factor | In-ear | In-ear - neckband | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | RHA T20 Wireless have a more advanced version of Bluetooth than Sennheiser HD 1 In-Ear Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | aptX | |
| Noise Isolating | - | Yes | RHA T20 Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass and Treble Boost | |
| Frequency Response | 15 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Max Sound Pressure | 112 dB | - | |
| Features | - | Bluetooth aptX technology, DualCoil | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Controls | - | Volume control |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Cable Type | USB charge cable | Headphones cable - detachable USB charge cable - detachable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 12 hour(s) | RHA T20 Wireless lasts longer on a single charge than the Sennheiser HD 1 In-Ear Wireless. |
| Charging Time | 1.5 hour(s) | - |
| CONNECTIONS | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 1 In-Ear Wireless | RHA T20 Wireless |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Carrying case, clothing clip, headphones cable, USB charge cable, 2 pairs of double flange ear tips (small, large), 3 pairs of dual density ear tips (small, medium, large), Comply Foam Comfort Tsx-400 ear tips | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 3 years |
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