In depth comparison and review of Sennheiser CX 300S and Poly SupraPlus NC. 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 300S | Poly SupraPlus NC |
|---|
| Product Type | Earphones - wired - 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 12 g | - | |
| Colour | Black | Red | - | |
| Earpad Material | Silicone | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser CX 300S | Poly SupraPlus NC |
|---|
| Headphones Form Factor | Ear-bud | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wired | - | |
| Noise Isolating | Yes | - | Sennheiser CX 300S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | 118 dB | - |
| MICROPHONE | Sennheiser CX 300S | Poly SupraPlus NC |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | 44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser CX 300S | Poly SupraPlus NC |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser CX 300S | Poly SupraPlus NC |
|---|
| Cable Type | Headphones cable - 1.2 m | - | |
|---|---|---|---|
| Cable Length | 1.2 m | - |
| CONNECTIONS | Sennheiser CX 300S | Poly SupraPlus NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser CX 300S | Poly SupraPlus NC |
|---|
| Included Accessories | Storage case, 4 pairs of ear tips (XS, S,M, L) | Monitor receiver | |
|---|---|---|---|
| Compliant Standards | RoHS 2011/65/EU, WEEE 2012/19/EU, Directive 2001/95/EC | - | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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