In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and JVC TINYPHONES 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 MS | JVC TINYPHONES HA-KD7 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 110 g | JVC TINYPHONES HA-KD7 are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Design | - | Kids | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS 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) | - | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Adaptive Noise Control | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 15 - 23000 Hz | JVC TINYPHONES HA-KD7 offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Max Input Power | - | 200 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 85 dB/mW | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than JVC TINYPHONES HA-KD7. |
| Impedance | 46 Ohm | - | |
| Diaphragm | - | 30 mm | |
| Magnet Material | - | Ferrite |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Frequency Response | 150 - 6800 Hz | - |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - 0.8 m | |
|---|---|---|---|
| Cable Length | - | 0.8 m | |
| Plated Connector | - | Nickel |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 30 hours | - | |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | JVC TINYPHONES HA-KD7 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Decorative stickers | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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