Side by side comparison and review of JVC TINYPHONES HA-KD9BT and Cooler Master MH670. 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 | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - 2.4 GHz - wireless | |
|---|---|---|---|
| Height | - | 19.15 cm | |
| Width | - | 19.2 cm | |
| Depth | - | 8.5 cm | |
| Weight | 120 g | 346.5 g | JVC TINYPHONES HA-KD9BT are lighter than JVC TINYPHONES HA-KD9BT headphones. |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | - | PU leather | |
| Design | Kids | - |
| SOUND QUALITY | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
| 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 | - | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 20 - 20000 Hz | 15 - 20000 Hz | Cooler Master MH670 offer a larger frequency range than JVC TINYPHONES HA-KD9BT. |
| Max Input Power | - | 150 mW | |
| Sensitivity | 85 dB | 110 dB | Cooler Master MH670 have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | Ferrite | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Form Factor | Built-in | Detachable headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 50 - 18000 Hz | |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 50 dB |
| REMOTE CONTROL | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Controls | Volume, power on/off | Power on/off, microphone on/mute, master volume |
|---|
| CABLE | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Cable Type | USB charge cable - detachable | Mini-phone 3.5 mm to mini-phone 3.5 mm cable - 1.5 m Micro-USB charge cable - 1.2 m USB-C to USB-A adapter |
|
|---|---|---|---|
| Cable Length | - | 1.5 m |
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Battery Type | 1 x headphone battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1500 mAh | |
| Battery Life | 12 hour(s) | 24 hour(s) | Cooler Master MH670 lasts longer on a single charge than the JVC TINYPHONES HA-KD9BT. |
| Charging Time | 3 hour(s) | - | |
| Included Qty | 1 | - |
| CONNECTIONS | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Connector Type | Bluetooth USB (power only) (micro-USB) |
USB 2.0 (4 PIN USB Type A) |
|---|
| OTHERS | JVC TINYPHONES HA-KD9BT | Cooler Master MH670 |
|---|
| Included Accessories | Stickers | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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