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HomeMobileHeadphonesEarphonesSennheiser CX 300S

Sennheiser CX 300S Earphones (Black)

BH #SECX300SB • MFR #508593
4 reviews
Sennheiser CX 300S Earphones (Black)
Key Features
  • Powerful Sound and Deep Bass
  • 17 Hz to 21 kHz Frequency Response
  • In-Ear Design Reduces Ambient Noise
  • 3.5mm Mini-Jack Connector
The black CX 300S Earphones from Sennheiser offer a powerful sound experience with a deep and punchy bass. They can be used for reproducing audio for MP3 players, smartphones, tablets, and audio recorders with a 3.5mm mini-jack connector. The in-ear design provides comfort while the included set of ear adapters in four-different sizes (XS, S, M, and L) ensure effective noise blocking. A smart remote enables you to pause music and take calls across all devices.
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$49.95
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Sennheiser CX 300S Overview

The black CX 300S Earphones from Sennheiser offer a powerful sound experience with a deep and punchy bass. They can be used for reproducing audio for MP3 players, smartphones, tablets, and audio recorders with a 3.5mm mini-jack connector. The in-ear design provides comfort while the included set of ear adapters in four-different sizes (XS, S, M, and L) ensure effective noise blocking. A smart remote enables you to pause music and take calls across all devices.

Built-in microphone and remote for call and music control
Ergonomic in-ear design for ambient noise isolation and undisturbed listening
Tough and tangle-free cable for long-lasting listening enjoyment
UPC: 615104327801

Sennheiser CX 300S Specs

Number of Drivers1, per Earpiece
Impedance18 Ohms
Maximum Sound Pressure Level (SPL)118 dB
Total Harmonic Distortion (THD)0.5%
Microphone
Pickup PatternOmnidirectional
Sensitivity-44 dB
TypeDynamic
Audio Connector to Source1/8" / 3.5 mm TRRS Angled
Adapter (Included)None
Cable DesignY-Type
Full Remote OS SupportAndroid, iOS
Packaging Info
Package Weight0.21 lb
Box Dimensions (LxWxH)7 x 4.6 x 1.6"

Sennheiser CX 300S Reviews

Can't go wrong with Sennheiser

By Frances
Rated 4 out of 5
Date: 2021-11-27

Sennheiser makes great products. Definitely worth the purchase.

Disappointed

By Luis
Rated 2 out of 5
Date: 2019-04-01

Sounds great. However, when engaging someone on the phone, they have difficulty hearing me if at all.

Great wired headphones

By Kenneth
Rated 4 out of 5
Date: 2021-06-21

I already had a pair of wireless earbuds but there are situations where wired is better for remote work. The Sennheiser CX300S provides a mic if I need it instead of my larger external microphone. Using it for remote work on my computer, it provides clear consistent sound for my needs.

Poor sound quality

By Justin
Rated 1 out of 5
Date: 2019-06-09

Bought this to replace an old CX300 headphone that has been discontinued. Sound quality is night and day. This one sounds similar to a $5 cheap earbuds from the dollar store. Very deceiving for Sennheiser to use similar model name to push a low end product milking their brand name

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