In depth comparison and review of Sony WI-1000X and Sennheiser CX 400BT. 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 | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 71 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black | Gold | White | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - | |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear - neckband | In-ear | |
|---|---|---|---|
| Headphones Technology | Balanced armature / dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Sony WI-1000X. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, aptX HD, LDAC | SBC, AAC, aptX | |
| Active Noise Cancelling | Yes | - | Sony WI-1000X are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Digital Noise Cancelling technology (DNC) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Digital Sound Enhancement Engine HX (DSEE HX), S-Master HX | - | |
| Frequency Response | 3 - 40000 Hz | 5 - 21000 Hz | Sony WI-1000X offer a larger frequency range than Sennheiser CX 400BT. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 101 dB/mW | - | |
| Impedance | 22 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 9 mm | 7 mm | Sony WI-1000X have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 50 - 8000 Hz | - |
| REMOTE CONTROL | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Controls | Volume, noise-cancellation suspend button | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Cable Type | Headphones cable - detachable - OFC - L shaped - 1 m Micro-USB cable - 50 cm |
USB-C to USB-A cable - detachable - straight - 25 cm | |
|---|---|---|---|
| Cable Length | 1 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| FEATURES | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Features | Vibrating call alert | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant | Siri, Google Assistant |
| BATTERY AND CHARGING | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 13 hour(s) | 7 hour(s) | Sony WI-1000X lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | Continuous playback (noise cancelling ON): up to 10 hours Continuous playback (noise cancelling OFF): up to 13 hours Standby (noise cancelling ON): up to 17 hours Standby (noise cancelling OFF): up to 100 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Standby Time | 100 hours | - | |
| Charging Time | 3.5 hour(s) | 1.5 hour(s) | Sennheiser CX 400BT recharge faster than Sony WI-1000X. |
| Included Qty | - | 2 |
| WIRELESS LINK | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW | |
|---|---|---|---|
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (power only) (5 pin Micro-USB Type B) |
- |
|---|
| OTHERS | Sony WI-1000X | Sennheiser CX 400BT |
|---|
| Included Accessories | Carrying pouch, airplane adapter, 4 pairs of hybrid earbuds (SS/S/M/L sizes), 3 pairs of Triple-Comfort Earbuds | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPod, Android phone | - | |
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU |
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