Side by side comparison and review of JVC HA S40BT and EPOS I SENNHEISER IMPACT MB 660 UC MS. 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 HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | 146 g | 227 g | JVC HA S40BT are lighter than JVC HA S40BT headphones. |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 3.0 | Bluetooth 4.2 | EPOS I SENNHEISER IMPACT MB 660 UC MS have a more advanced version of Bluetooth than JVC HA S40BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) | 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 | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 17 - 23000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than JVC HA S40BT. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | - | 118 dB | |
| Impedance | - | 46 Ohm | |
| Diaphragm | 30.5 mm | - | |
| Magnet Material | Neodymium | - |
| MICROPHONE | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Frequency Response | - | 150 - 6800 Hz |
|---|
| CABLE | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Cable Type | Micro-USB charge cable | Audio cable Micro-USB cable |
|---|
| BATTERY AND CHARGING | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Battery Type | Handset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | 17 hour(s) | 30 hours | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the JVC HA S40BT. |
| Standby Time | - | 360 hours | |
| Charging Time | 3 hour(s) | 3 hours | The charging of both headphones last the same time. |
| WIRELESS LINK | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Connector Type | Bluetooth | - |
|---|
| OTHERS | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Included Accessories | - | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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