In depth comparison and review of Sennheiser CX True Wireless and Sony WF-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 | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 41 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
Earphone: 7.3 g | |
| Colour | Black | White | Black | Silver | |
| Earpad Material | - | Polyurethane foam | |
| Protection | Splashproof, IPX4 | Water-resistant | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | 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, aptX | SBC, AAC, LDAC | |
| Active Noise Cancelling | - | Yes | Sony WF-1000XM4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Digital Noise Cancelling technology (DNC) | |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Bass Boost | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode, Adaptive Sound Control, 360 Reality Audio | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX True Wireless offer a larger frequency range than Sony WF-1000XM4. |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | 6 mm | Sennheiser CX True Wireless have a thicker diaphragm than Sony WF-1000XM4. |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Magnet Material | - | Neodymium | |
| Features | TrueResponse technology | Precise Voice Pickup Technology, Quick Attention function, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, Speak-to-Chat |
| MICROPHONE | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | 2 | Sennheiser CX True Wireless have a built-in microphone. |
| REMOTE CONTROL | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Controls | - | Tap control |
|---|
| CABLE | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | Yes | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | Google Assistant, Alexa | |
| Sensors | - | Proximity sensor, bone sensor |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 60 mAh | - | |
| Battery Life | 9 hour(s) | 12 hour(s) | Sony WF-1000XM4 lasts longer on a single charge than the Sennheiser CX True Wireless. |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback (noise cancelling OFF): up to 12 hours Continuous playback (noise cancelling ON): up to 8 hours Continuous talk (noise cancelling OFF): up to 6 hours Continuous talk (noise cancelling ON): up to 5.5 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | - |
| CONNECTIONS | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Connector Type | - | Bluetooth USB (power only) (USB Type-C) |
|---|
| OTHERS | Sennheiser CX True Wireless | Sony WF-1000XM4 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | USB-C to USB-A cable, 3 sizes of noise isolation earbud tips | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IPX4 |
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