Detailed comparison and review of Sennheiser HD 4.20s and JVC TINYPHONES HA-KD9BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 120 g | |
| Colour | Black | - | |
| Design | - | Kids |
| SOUND QUALITY | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 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 | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 85 dB | |
| Impedance | - | 20 Ohm | |
| Magnet Material | - | Ferrite |
| MICROPHONE | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Controls | 1-button remote | Volume, power on/off |
|---|
| CABLE | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Cable Type | - | USB charge cable - detachable | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Battery Type | - | 1 x headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 12 hour(s) | |
| Charging Time | - | 3 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Bluetooth USB (power only) (micro-USB) |
|---|
| OTHERS | Sennheiser HD 4.20s | JVC TINYPHONES HA-KD9BT |
|---|
| Included Accessories | - | Stickers | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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