Sennheiser CX 300S Earphones - White (508594)
Sennheiser CX 300S Earphones - White (508594)
Sennheiser

Sennheiser CX 300S Earphones - White (508594) | New

SKU: 508594-N
Condition: New
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$39.99
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The Sennheiser CX 300S Earphones - White (508594) are compact in-ear earphones built for detailed sound, enhanced bass and everyday comfort. It offers a well-balanced combination of improved bass, clear audio and useful everyday functionality. They are made with a closed-back, in-ear acoustic structure that helps block out background noise so you can concentrate on your calls, music, or podcasts. They are lightweight (12 g) and pleasant for extended listening periods due to their 1.2 m tangle-resistant wire. Those looking for a dependable wired listening experience with a snug fit and easy controls will find these Sennheiser earbuds particularly tempting. A customized seal for improved comfort and more robust passive noise isolation is made possible by the four ear adaptor sizes, which range from XS to L. You can easily handle calls and playback without reaching for your device due to the in-line 1-button remote and microphone.

Quick specs

Product Type
Earphones
Color
White
Wear Style
Ear-canal, in-ear design
Acoustic Design
Dynamic, closed-back
Ear Coupling
Ear canal
Frequency Response
17 Hz to 21,000 Hz

Key Features

  • Dynamic, closed-back in-ear design for immersive sound and reduced outside noise.

  • Enhanced bass response with detailed audio reproduction for music, video and calls.

  • 1-button in-line remote with microphone for easy call and playback control.

  • Four ear tip sizes, XS to L, for a more customized and secure fit.

  • Lightweight 12 g construction for comfortable all-day wear.

  • 1.2 m durable cable designed for daily use and easy portability.

  • 18 ohm impedance for broad device compatibility.

  • 3.5 mm angled plug for a stable wired connection.

Benefits

  • Enjoy richer, more detailed sound that makes everyday listening more engaging.
  • Stay focused in busy environments due to the noise-reducing in-ear fit.
  • Take calls and control music quickly without interrupting your routine.
  • Find a better fit with multiple ear tip sizes that improve comfort and seal.
  • Carry them easily for commuting, travel, work, or gym use because of the lightweight design.
  • Get dependable wired performance without battery charging or pairing hassles.
  • Add a clean, modern look with the white finish while keeping audio quality front and center.
Manufacturer Sennheiser
Manufacturer Part Number 508594
Product Name Sennheiser CX 300S Earphones
Product Type Earphones
Color White
Wear Style Ear-canal, in-ear design
Acoustic Design Dynamic, closed-back
Ear Coupling Ear canal
Frequency Response 17 Hz to 21,000 Hz
Impedance 18 O
Sound Pressure Level 118 dB SPL
Total Harmonic Distortion < 0.5% (1 kHz, 100 dB SPL)
Transducer Principle Dynamic
Driver Principle Dynamic, closed-back
Microphone Yes, built-in
Microphone Principle MEMS
Microphone Pick-Up Pattern Omnidirectional
Microphone Sensitivity -44 dBV/Pa
Microphone Frequency Response 100 Hz to 10,000 Hz
Remote Control In-line one-button remote
Cable Length 1.2 m
Connector 3.5 mm angled jack plug
Cable Type Wired
Weight 12 g
Ear Adapters Included Four sizes: XS, S, M, L
Noise Isolation Passive noise reduction from in-ear fit
Intended Use Music, calls, and everyday listening
Other Notes No Bluetooth; no active noise cancelling

Frequently Asked Questions

Sennheiser CX 300S Earphones - White (508594) | New

What type of headphones are the Sennheiser CX 300S?
The CX 300S are wired in-ear earphones designed for high-quality music playback, calls and everyday listening.
What connector does the CX 300S use?
The earphones feature a 3.5mm stereo audio plug compatible with many devices that include a headphone jack.
Do the earphones include a microphone?
Yes. An integrated microphone allows for hands-free phone calls and voice communication.
Can I control music playback?
Yes. The inline one-button smart remote lets you play, pause and manage compatible audio functions.
Do the CX 300S support voice assistants?
Yes. The smart remote supports activation of compatible voice assistant features on supported devices.
Do these earphones block outside noise?
Yes. Their in-ear design provides passive noise isolation to reduce surrounding ambient noise.
Are multiple ear tip sizes included?
Yes. Silicone ear adapters in XS, S, M, and L sizes are included for a personalized fit.
Are the earphones comfortable for extended use?
Yes. The lightweight ergonomic design is intended for comfortable long-term listening sessions.
Can I use these earphones for phone calls?
Yes. The built-in microphone supports clear voice calls on compatible smartphones and devices.
Are the CX 300S suitable for commuting?
Yes. Their compact size and passive noise isolation make them ideal for commuting and travel.
Can I use these with a laptop?
Yes. They work with laptops and computers equipped with a standard 3.5mm headphone jack.
Are they compatible with tablets?
Yes. They are compatible with tablets featuring a 3.5mm audio connection.
Do the earphones require charging?
No. As wired earphones, they operate without batteries or charging.
Are they suitable for music and podcasts?
Yes. The CX 300S provides excellent sound quality for music, podcasts, audiobooks, videos and calls.
Is the cable permanently attached?
Yes. The cable is integrated into the earphones for dependable everyday use.
Can I use them for online meetings?
Yes. The built-in microphone makes them suitable for video conferencing, online classes and virtual meetings.
Are the earphones lightweight?
Yes. Their lightweight construction makes them easy to wear and carry throughout the day.
Are these genuine Sennheiser earphones?
Yes. The 508594 is an authentic Sennheiser CX 300S In-Ear Earphones in White.
Are the CX 300S suitable for everyday use?
Yes. Their durable wired design, comfortable fit, and high-quality sound make them ideal for daily listening.
Why choose the Sennheiser CX 300S In-Ear Earphones - White (508594)?
The Sennheiser CX 300S combines premium dynamic drivers, deep bass performance, passive noise isolation, a built-in microphone, one-button smart remote, ergonomic in-ear comfort, multiple ear tip sizes and universal 3.5mm compatibility, making it an excellent choice for users seeking reliable, high-quality wired earphones for music, calls and everyday entertainment.
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Sennheiser CX 300S Earphones - White (508594)

Sennheiser CX 300S Earphones - White (508594) | New

Sennheiser

$39.99