Optimize your sound with the Sennheiser CX 300S earphones, which offer remarkably detailed sound and enhanced bass reproduction thanks to Sennheiser's transducer technology.
The in-ear design minimizes ambient noise, and the included ear adapters (XS, S, M, L) ensure a customized fit in four sizes. With the smart remote, you can control your music and answer calls. This product is the successor to the CX 3.00 with remote control.
| Application range | General | 
| Equipment + Functions | Microphones | 
| Headphone type | In Ear Headphones | 
| Signal transmission | Cable | 
| Audio Connections | Jack 3.5mm (1x) | 
| Noise cancelling | No noise cancellation | 
| Item number | 10293191 | 
| Manufacturer | Sennheiser | 
| Category | Headphones | 
| Manufacturer no. | 508594 | 
| Release date | 7/1/2019 | 
| External links | 
| Colour | White | 
| Exact colour description | White | 
| Material | Rubber, Silicone | 
| Application range | General | 
| Output | Stereo | 
| Noise cancelling | No noise cancellation | 
| Equipment + Functions | Microphones | 
| Music control | Universal (1-button remote control) | 
| Signal transmission | Cable | 
| Button functions | interregnum, next song | 
| Headphone type | In Ear Headphones | 
| Fit | In Ear | 
| Driver diameter | 18 mm | 
| Converter principle | Dynamic | 
| Frequency range | 17 - 21000 Hz | 
| Sensitivity | 118 dB | 
| Max. noise level | 118 dB | 
| Impedance | 18 Ω (ohm) | 
| Audio Connections | Jack 3.5mm (1x) | 
| Connections base/transmitter | 3.5mm | 
| Headphone cable length | 1.2m | 
| Power supply | None | 
| Country of origin | China | 
| CO₂-Emission | |
| Climate contribution | 
| Scope of delivery | 4 pairs of earplugs (XS, S, M, L), Storage case | 
| Height | 3.70 cm | 
| Width | 11.50 cm | 
| Depth | 19.50 cm | 
| Weight | 12 g | 
| Length | 17 cm | 
| Width | 3.70 cm | 
| Height | 11.50 cm | 
| Weight | 94 g | 
| Product Safety | 
How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?
Source: GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: GalaxusHow often is a product of this brand in the «Headphones» category returned?
Source: Galaxus