In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Audeze LCD-4. 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 | Audeze LCD-4 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - wired - 6.35 mm jack | |
|---|---|---|---|
| Weight | 227 g | - | |
| Body Material | - | Wood | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Audeze LCD-4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Planar magnetic | |
| Ear Cups Type | Closed | Open | |
| 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 | 5 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Audeze LCD-4. |
| Total Harmonic Distortion (THD) | 0.5% | 1.0% | EPOS I SENNHEISER IMPACT MB 660 UC MS have lower total harmonic distortion than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Sensitivity | 118 dB | 97 dB/mW | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Audeze LCD-4. |
| Impedance | 46 Ohm | 200 Ohm | |
| Max Sound Pressure | - | 130 dB | |
| Diaphragm | - | 106 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Audeze LCD-4 |
|---|
| Frequency Response | 150 - 6800 Hz | - |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Audeze LCD-4 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Audeze LCD-4 |
|---|
| 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 | Audeze LCD-4 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Audeze LCD-4 |
|---|
| Connector Type | - | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Audeze LCD-4 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Travel bag | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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