In depth comparison and review of Hama "Black Desire" and JVC HA S31BT. 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 | Hama "Black Desire" | JVC HA S31BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 158 g | |
| Colour | Black | - | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Hama "Black Desire" | JVC HA S31BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | - | Yes | JVC HA S31BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 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) | |
| Bluetooth Audio Codec | - | SBC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Dynamic Bass Boost (DBB) | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 108 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 30.7 mm | Hama "Black Desire" have a thicker diaphragm than JVC HA S31BT. |
| Magnet Material | - | Ferrite | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Hama "Black Desire" | JVC HA S31BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Cardioid | - | |
| Frequency Response | 30 - 15000 Hz | - | |
| Sensitivity | -58 dB | - | |
| Impedance | 10 kOhm | - |
| REMOTE CONTROL | Hama "Black Desire" | JVC HA S31BT |
|---|
| Controls | Mute, volume | 4-button remote |
|---|
| CABLE | Hama "Black Desire" | JVC HA S31BT |
|---|
| Cable Type | Headphones cable - 1.8 m | USB charge cable - detachable | |
|---|---|---|---|
| Cable Length | 1.8 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Hama "Black Desire" | JVC HA S31BT |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 17 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Hama "Black Desire" | JVC HA S31BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm x 2) | USB (power only) (micro-USB) |
|---|
| OTHERS | Hama "Black Desire" | JVC HA S31BT |
|---|
| Included Accessories | 2 x 3.5mm jack adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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