Side by side comparison and review of Sennheiser CX 350BT and Poly SupraPlus NC. 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 | Poly SupraPlus NC |
|---|
| Product Type | Earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 13 g | - | |
| Colour | Black | White | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser CX 350BT | Poly SupraPlus NC |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| 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 | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Max Sound Pressure | 110 dB | - |
| MICROPHONE | Sennheiser CX 350BT | Poly SupraPlus NC |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Mono | - | |
| Audio Input Details | Omni-directional | - |
| REMOTE CONTROL | Sennheiser CX 350BT | Poly SupraPlus NC |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| BATTERY AND CHARGING | Sennheiser CX 350BT | Poly SupraPlus NC |
|---|
| Battery Life | 10 hour(s) | - | |
|---|---|---|---|
| Battery Life Details | Continuous playback: up to 10 hours Standby: up to 340 hours |
- |
| OTHERS | Sennheiser CX 350BT | Poly SupraPlus NC |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large) | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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