Sennheiser CX 300S

Sennheiser CX 300S Review – The Best Earbuds?

If you look around a bit carefully, you will see that you spend quite a good figure of your earning on one of the most commonly used accessories these days, “earphones”. Yet, you tend to end up being annoyed every time either because it didn’t last long or you found issue with the quality of sound it used to produce. However, a little bit of pre-purchase research can save you from investing bucks, and yield nothing! Yeah, there are times when a one-time investment can help save your dollars. All you need is to be certain about your requirement and invest in the product accordingly. This is because each of the products available in the market are meant to settle separate priorities of any customer.

Not all the models are best-suited to serve all your needs. Therefore, it is you who ought to make out which is the sole reason you want it for, be it casual listening while travelling or owning it for a high end audio setup! Who would better know it than you, right? So chalk it down before looking through the models!

“The more sugar you pour, the sweeter it will get!” Well, that’s an old adage, which stands to be true even today. In practical scenario, it does mean that if you are ready to invest more and get a really expensive deal, you would probably end up getting a lot of features along with a few add-ons too! On the contrary, if you have got a tight budget, you should be picking up things carefully. Sennheiser CX 300S is a good-to-go option at a competitive price range. So, you do not need to break your bank any longer, just save a few bucks from your monthly earnings, and you would be able to own it!

If you are still wondering whether or not, purchasing a Sennheiser CX 300S will be a wide decision, you are here at the right place for we would brief down all its features out here now!

Sennheiser CX 300S

What’s in the box?

Just as you unwrap the box, you are sure to hold a happy smile on your face! Here are the components that you would be finding:

  • CX 300S earphones
  • Ear adapter set
  • Available sizes: (XS/S/M/L)
  • Storage pouch

Technical specifications:

For all those tech freaks who tend to purchase a product after going through all the specs, you definitely need to read through the lines below! Indeed, it is essential to make sure that you make this research pre-purchase. Not just this, it is important to get your comparisons right with the competitive models too!

  • Frequency response (Microphone): 100 – 10,000 Hz (-10 dB)
  • Impedance: 18 Ω
  • Frequency response: 17–21,000 Hz (-10 dB)
  • Sound pressure level (SPL): 118 dB
  • Transducer principle: Dynamic
  • Weight: 12 g
  • THD, total harmonic distortion: <0.5 % (1 kHz, 100 dB SPL)
  • Ear coupling: Ear-canal
  • Jack plug: 3.5 mm angled
  • An in-line control panel
  • Has voice commands
  • Cable length: 1.2 m
  • Earpad size: XS;S;M;L
  • Pick-up pattern: Omni directional
  • Microphone sensitivity: 44dbV/Pa
  • Ear pad material: Silicon rubber
  • Acoustics: Closed
  • Sensitivity: 118 dB SPL @ 1 kHz, 1V RMS

Why should you opt for Sennheiser CX 300S?

With such $150 earpieces, you would probably be able to fetch the best of the sound qualities and have a rich experience, however, with the Sennheiser CX 300S, you would get a really amazing experience and that too, without investing that much! Users who have used and reviewed this model have provided good rating after being satisfied with it. Therefore, if you have got a tight budget yet want to have an astounding listening session everytime you plug them in even during your casual hours or while travelling, going for this Sennheiser CX 300S would not be a bad choice!


  • Lightweight

It is absolutely light weight and you can carry it along with you anywhere you go! Besides, it would fit right at the side of your purse or handbag or you can even slip it down through your pocket and take it along with you!

  • Durable

Definitely, you won’t prefer to wash off your hands from your investment pretty soon! Therefore, durability of the ear piece you are using is an extremely significant characteristic to note! Sennheiser CX 300S reminds one of the Sennsheiser HD1 that has got a record of reigning in the market for quite a long span of time.

  • Extras

Well, many a times, you end up losing your eartips in a hurry! Probably, you had been listening to your favorite tune and finding your Uber arrived at your location, you pull them out from your ears and put them inside your pocket. Accidentally, you ended up losing those eartips. In such a scenario, you shall find these extras useful! Sennheiser CX 300S comes with four pairs of silicon eartips attached along with the product during the purchase.

  • A soft carrying pouch

Keeping an earphone secure within a soft carrying pouch is more like securing your spectacles in the case! Although you can fit the earpiece anywhere you want, but carrying it safely has always got its own advantage. With a soft carrying pouch, you can easily carry it and be assured that it will remain safe.

  • Cable

The cable has got an elliptical design that’s in the form of a no-tangle wire attached along with a remote and an in-line mic. It is basically of a length of 4feet and it terminates at a 90 degrees plug when it is at 3.5 mm.

  • Smoothed highs

Sennheiser CX 300S offers slightly smoothed highs which make sure that the sound doesn’t appear to be too harsh or too bright to your ears on different notes. This also ensures the fact that you do not get interrupted by these infrequent hiccups at the middle of your song. You would definitely not like it, right? At the highs, CX 300S may sound a little intense but trust me, it won’t ruin your overall listening experience by any chance!

  • Gives an ergonomic and comfortable fit

The earbud gives you an absolutely ergonomic and comfortable fit so much so that you can keep wearing it all throughout the day. The earbud is designed in such a way that it sits into your ear smoothly without causing you a bit of uncomfortability.

  • Sound quality is up to the mark

Sennheiser CX 300S maintains a sound adequacy wherein you get a clarity of the tune you are listening to! Besides, it makes sure that you do not miss even a single frequency range. Users who have been using it for quite some time now say that it is worth the value you are paying for!

  • Standard sound pressure level

Sennheiser CX 300S maintains a decent volume as the device maintains a fairly standard sound pressure.

  • Depth and clarity

Sennheiser CX 300S has got a really impeccable sense of depth and the sound clarity is indeed great! It has made absolutely no compromise in terms of delivering a product that meets the value you are giving out for it! It is sure to make your listening experience astounding and no matter which genre of music you usually prefer to hear, CX 300S is ideal for all of them!

  • Low impedance

This is an important factor to note while utilising low power devices such as phones and computers with your ear piece.

  • A good bass response

With a fairly good bass response, this ear piece keeps all the detail at place. It lets you enjoy rock music along with punk sounds as well without allowing those sloppy low end sounds get in!

  • Built in mic and remote for call and music control

Although a lot of devices own it, still it’s important to mention that Sennheiser CX 300S has also got this feature! Yeah, you can enjoy listening to music as well as connect to a call that pops up in between!

  • Customer satisfaction

Although Sennsheiser CX 300S comes with a 2 year warranty from the date that you have purchased the product, there are times when any of its functionality may run out. In such a scenario, it is quite obvious that you would need a reliable customer support to adddress all your issues whenever you need things to be fixed. Well, with this product, you get a really good customer satisfaction where executives are always there to sort out your complexities and assist you to resolve them!

Bottom line:

Sennheiser CX 300S is surely not going to disappoint you if you have been looking for a deal that could meet your daily use at an affordable price range. It has successfully beaten a lot of models at its price and with such an amazing sound quality, it has made a really good rapport among the users. I, personally, have tried it out and trust me, it’s worth those bucks!

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