In depth comparison and review of Sony WF-SP700N 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 WF-SP700N | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 15.3 g | - | |
| Dimensions & Weight Details | Earphone: 7.65 g Charging case: 6.12 cm x 5.87 cm x 3.81 cm / 45.1 g |
Earbud: 6 g Charging case: 37 g |
|
| Colour | Pink | Black | White | White | Black | |
| Protection | IPX4 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | 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 WF-SP700N. |
| 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 | SBC, AAC, aptX | |
| Active Noise Cancelling | Yes | - | Sony WF-SP700N are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Extra Bass | - | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Sony WF-SP700N. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 6.1 mm | 7 mm | Sennheiser CX 400BT have a thicker diaphragm than Sony WF-SP700N. |
| Magnet Material | Neodymium | - |
| MICROPHONE | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Controls | - | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB cable - 1 m | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | Google Assistant | Siri, Google Assistant |
| BATTERY AND CHARGING | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 3 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Sony WF-SP700N. |
| Battery Life Details | - | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Standby Time | 35 hours | - | |
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| WIRELESS LINK | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW | |
|---|---|---|---|
| Radio Frequency Range | 2.4GHz | - |
| CONNECTIONS | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Connector Type | USB (5 pin Micro-USB Type B) Bluetooth |
- |
|---|
| OTHERS | Sony WF-SP700N | Sennheiser CX 400BT |
|---|
| Included Accessories | 4 pairs of ear tips (supersmall, small, medium, large), charging case | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | |
| Service & Support | Limited warranty - parts and labour - 1 year | - |
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