Detailed comparison and review of Sennheiser CX 400BT and LG TONE Free HBS-FN4. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 3.3 cm | |
| Width | - | 1.6 cm | |
| Depth | - | 2.5 cm | |
| Weight | - | 5.4 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Earbud: 1.6 cm x 2.5 cm x 3.3 cm / 5.4 g Charging case: 5.5 cm x 2.75 cm x 5.5 cm / 39 g |
|
| Colour | White | Black | White | Black | |
| Earpad Material | - | Medical grade silicone | |
| Protection | - | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than LG TONE Free HBS-FN4. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC | |
| Active Noise Cancelling | - | Yes | LG TONE Free HBS-FN4 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Acoustic Echo Cancellation and Noise Reduction | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Meridian EQ, Ambient Sound Mode, Meridian Sound Effect, Master Quality Authenticated (MQA), Meridian Lossless Packing (MLP) | |
| Frequency Response | 5 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 6 mm | Sennheiser CX 400BT have a thicker diaphragm than LG TONE Free HBS-FN4. |
| MICROPHONE | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | LG TONE Free HBS-FN4 microphone can cancel out ambient noise. |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | - |
|---|
| CABLE | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Features | Voice alerts, touch control | Fast charge | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | Siri, Google Assistant | |
| Sensors | - | Ear detect sensor | |
| Additional Functions | - | DSP |
| BATTERY AND CHARGING | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 55 mAh | Both headphones are designed with the same battery capacity. |
| Battery Life | 7 hour(s) | 6 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the LG TONE Free HBS-FN4. |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous playback (with included charging case): up to 18 hours Continuous playback: up to 6 hours |
|
| Charging Time | 1.5 hour(s) | 1 hour(s) | LG TONE Free HBS-FN4 recharge faster than Sennheiser CX 400BT. |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| CONNECTIONS | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Sennheiser CX 400BT | LG TONE Free HBS-FN4 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 2 pairs of EarGels (small, large), charging case (390 mAh) | |
|---|---|---|---|
| Software Included | - | Find my earphones | |
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | - | |
| Service & Support | - | Limited warranty - 2 years |
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