In depth comparison and review of Sennheiser CX 350BT and LG TONE Free UFP9. 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 350BT | LG TONE Free UFP9 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 2.83 cm | |
| Width | - | 2.12 cm | |
| Depth | - | 2.32 cm | |
| Weight | 13 g | 5.2 g | LG TONE Free UFP9 are lighter than Sennheiser CX 350BT headphones. |
| Dimensions & Weight Details | - | Earbud: 2.12 cm x 2.32 cm x 2.83 cm / 5.2 g Charging case: 5.45 cm x 3 cm x 5.45 cm / 36.7 g |
|
| Colour | Black | White | Charcoal black | |
| Earpad Material | - | Medical grade silicone | |
| Protection | - | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser CX 350BT | LG TONE Free UFP9 |
|---|
| 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 5.2 | LG TONE Free UFP9 have a more advanced version of Bluetooth than Sennheiser CX 350BT. |
| 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 UFP9 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost, Treble Boost, Meridian EQ, Ambient Sound Mode, Meridian Sound Effect | |
| Frequency Response | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | - | 8 mm | |
| Features | - | Google Fast Pair |
| MICROPHONE | Sennheiser CX 350BT | LG TONE Free UFP9 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono | - | |
| Noise Cancelling | - | Yes | LG TONE Free UFP9 microphone can cancel out ambient noise. |
| Audio Input Details | Omni-directional | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser CX 350BT | LG TONE Free UFP9 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Voice assistant |
|---|
| FEATURES | Sennheiser CX 350BT | LG TONE Free UFP9 |
|---|
| Features | - | UVnano sanitising technology | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | - | Google Assistant ready, Siri ready |
| BATTERY AND CHARGING | Sennheiser CX 350BT | LG TONE Free UFP9 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 68 mAh | |
| Battery Life | 10 hour(s) | 10 hour(s) | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | Continuous playback: up to 10 hours Standby: up to 340 hours |
Continuous playback (active noise-cancelling off): up to 10 hours Continuous playback (active noise-cancelling on): up to 6 hours |
| OTHERS | Sennheiser CX 350BT | LG TONE Free UFP9 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large) | 2 pairs of ear tips (small, large), 3.5 mm to USB-C cable, wireless transmitter / charging case (390 mAh) | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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