In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and JVC HA KD7. 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 | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 110 g | JVC HA KD7 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Pink violet | |
| Design | - | Kids | |
| Recommended Use | Portable electronics, computer | Home audio | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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), Device ID Profile (DIP) | - | |
| Bluetooth Audio Codec | SBC, aptX | - | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Volume Limiting Function | - | Yes | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 23000 Hz | 15 - 23000 Hz | JVC HA KD7 offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Max Input Power | - | 200 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | - | |
| Max Sound Pressure | - | 85 dB | |
| Diaphragm | - | 30 mm | |
| Magnet Material | - | Ferrite |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - straight - 80 cm | |
|---|---|---|---|
| Cable Length | - | 80 cm | |
| Plated Connector | - | Nickel |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | - | |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Connector Type | - | (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | JVC HA KD7 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Stickers | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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