Side by side comparison and review of Sennheiser CX 350BT and LG TONE Free HBS-FN4. 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 | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 3.3 cm | |
| Width | - | 1.6 cm | |
| Depth | - | 2.5 cm | |
| Weight | 13 g | 5.4 g | LG TONE Free HBS-FN4 are lighter than Sennheiser CX 350BT headphones. |
| Dimensions & Weight Details | - | 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 | Black | White | White | Black | |
| Earpad Material | - | Medical grade silicone | |
| Protection | - | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 350BT | 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 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| 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, apt-X LL | 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 | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | - | 6 mm |
| MICROPHONE | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono | - | |
| Noise Cancelling | - | Yes | LG TONE Free HBS-FN4 microphone can cancel out ambient noise. |
| Audio Input Details | Omni-directional | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Features | - | Fast charge | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant | |
| Sensors | - | Ear detect sensor | |
| Additional Functions | - | DSP |
| BATTERY AND CHARGING | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 10 hour(s) | 6 hour(s) | Sennheiser CX 350BT lasts longer on a single charge than the LG TONE Free HBS-FN4. |
| Battery Life Details | Continuous playback: up to 10 hours Standby: up to 340 hours |
Continuous playback (with included charging case): up to 18 hours Continuous playback: up to 6 hours |
|
| Charging Time | - | 1 hour(s) |
| CONNECTIONS | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Sennheiser CX 350BT | LG TONE Free HBS-FN4 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large) | 2 pairs of EarGels (small, large), charging case (390 mAh) | |
|---|---|---|---|
| Software Included | - | Find my earphones | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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