In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Sony WH-1000XM4. 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 | Sony WH-1000XM4 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 25.2 cm | |
| Width | - | 7.7 cm | |
| Length | - | 18.5 cm | |
| Weight | 227 g | 520 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | White | Black | Silver | Midnight blue | |
| Earpad Material | - | Urethane foam | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than Sony WH-1000XM4. |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Sony WH-1000XM4 have a more advanced version of Bluetooth than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC, LDAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | Ambient Sound Mode / Dual Noise Sensor | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Adaptive Sound Control, 360 Reality Audio | |
| Frequency Response | 17 - 23000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | - | |
| Diaphragm | - | Aluminium coated LCP - 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-1000XM4 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | - | Neodymium | |
| Features | - | HD Noise Canceling Processor QN1, Speak-to-chat technology, Precise Voice Pickup Technology, Quick Attention function, CCAW coil, Smart Listening Technology, Personal Noise Cancelling Optimiser, Atmospheric Pressure Optimising |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | 5 | Sony WH-1000XM4 have a built-in microphone. |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Controls | - | Volume control, ANC on/off |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Cable Type | Audio cable Micro-USB cable |
USB-C charge cable - detachable Audio cable - OFC - L shaped / mini-phone stereo 3.5 mm - 1.2 m |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant, Alexa | |
| Sensors | - | Proximity sensor, touch sensor | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 38 hour(s) | Sony WH-1000XM4 lasts longer on a single charge than the EPOS I SENNHEISER IMPACT MB 660 UC. |
| Battery Life Details | - | Continuous playback (active noise-cancelling on): up to 30 hours Continuous playback (active noise-cancelling off): up to 38 hours |
|
| Standby Time | 360 hours | 200 hours | EPOS I SENNHEISER IMPACT MB 660 UC have longer standby time than Sony WH-1000XM4. |
| Charging Time | 3 hours | 3 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 1 |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Connector Type | - | USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-1000XM4 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
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