Side by side comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Sony WH-1000XM4. 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 | EPOS I SENNHEISER IMPACT SC 660 TC | Sony WH-1000XM4 |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 25.2 cm | |
| Width | - | 7.7 cm | |
| Length | - | 18.5 cm | |
| Weight | 113 g | 520 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | White | Black | Silver | Midnight blue | |
| Earpad Material | Leatherette | Urethane foam | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Sony WH-1000XM4 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sony WH-1000XM4 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | 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, AAC, LDAC | |
| Active Noise Cancelling | - | Yes | Sony WH-1000XM4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | 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 | 50 - 18000 Hz | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 200 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 | 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 SC 660 TC | Sony WH-1000XM4 |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | - | 5 |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Sony WH-1000XM4 |
|---|
| Controls | - | Volume control, ANC on/off |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Sony WH-1000XM4 |
|---|
| Cable Type | Headset cable - 1 m | 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 SC 660 TC | 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 SC 660 TC | Sony WH-1000XM4 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 38 hour(s) | |
| 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 | - | 200 hours | |
| Charging Time | - | 3 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Sony WH-1000XM4 |
|---|
| Connector Type | Headset (EasyDisconnect) | USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Sony WH-1000XM4 |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
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