In depth comparison and review of JVC HA S40BT and EPOS I SENNHEISER IMPACT MB 660 UC. 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 | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | |
|---|---|---|---|
| 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 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC 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 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) | |
| 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 17 - 23000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC 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 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | - | 150 - 6800 Hz | |
| Microphones Included | - | 3 |
| CABLE | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Cable Type | Micro-USB charge cable | Audio cable Micro-USB cable |
|---|
| BATTERY AND CHARGING | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Battery Type | Handset battery rechargeable | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | 17 hour(s) | 30 hours | EPOS I SENNHEISER IMPACT MB 660 UC 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 |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Connector Type | Bluetooth | - |
|---|
| OTHERS | JVC HA S40BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Included Accessories | - | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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