{"product_id":"sennheiser-cx-300s-in-ear-headphones-white","title":"Sennheiser CX 300S In-Ear Headphones White","description":"\u003cp\u003e\u003cstrong\u003eSennheiser CX 300S are wired in-ear headphones that deliver detailed sound and stronger bass with a one-button smart remote for playback and calls.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned by Sennheiser’s audio engineers, the CX 300S combines compact comfort and precise transducer tuning to reveal musical detail while improving low-end punch. The package includes four ear adapter sizes for a tailored seal, a 3.5mm stereo connector for universal compatibility, and an inline smart remote to control music and answer calls without reaching for your device.\u003c\/p\u003e\n\n\u003ch3\u003eHow do the CX 300S improve clarity and bass in a small earbud?\u003c\/h3\u003e\n\u003cp\u003eRather than relying on gimmicks, these earbuds use Sennheiser-tuned transducers that prioritize frequency balance and driver control, so vocals and instruments remain clear while the bass is tighter and more controlled. The in-ear design creates a good acoustic seal that reduces outside noise and lets the drivers perform efficiently.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-tuned drivers for accurate midrange and controlled low frequencies\u003c\/li\u003e\n  \u003cli\u003eIn-ear fit enhances passive noise isolation for clearer listening\u003c\/li\u003e\n  \u003cli\u003eFour silicone tip sizes to optimize seal and bass response\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the inline smart remote work with my phone for calls and music?\u003c\/h3\u003e\n\u003cp\u003eThe one-button inline remote offers play\/pause control and call handling across most smartphones and media players that use a standard TRS headset connection. It’s a straightforward, single-press interface that saves you from unlocking your phone for simple actions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-button control for play\/pause and answer\/end calls\u003c\/li\u003e\n  \u003cli\u003eCompatible with devices using a 3.5mm stereo headset jack\u003c\/li\u003e\n  \u003cli\u003eNo app or pairing—plug in and use immediately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow comfortable are they for long listening sessions?\u003c\/h3\u003e\n\u003cp\u003eThe CX 300S include four ear tip sizes (XS, S, M, L) so you can find the best fit for longer wear and better isolation. The lightweight, in-ear profile sits snugly without excessive pressure, making them suitable for daily commutes or extended listening periods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour silicone tip sizes for a personalized fit\u003c\/li\u003e\n  \u003cli\u003eLow-mass design minimizes ear fatigue during prolonged use\u003c\/li\u003e\n  \u003cli\u003eSecure in-ear placement helps keep earbuds stable during movement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat connectivity and compatibility should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe CX 300S are a wired solution that use a standard 3.5mm stereo connector, so they plug into smartphones, tablets, laptops, portable players and other devices with a headphone jack. Because they’re passive wired headphones, there’s no pairing, battery charging, or latency issues to manage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWired connectivity with universal 3.5mm stereo plug\u003c\/li\u003e\n  \u003cli\u003eWorks with most phones, computers and audio players that support TRS headsets\u003c\/li\u003e\n  \u003cli\u003eSimple plug-and-play operation with no charging required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Sennheiser CX 300S suit listeners who want precise, unadorned sound and improved bass in a compact wired earbud, plus the convenience of an inline smart remote. They’re a good match for commuters, students, and anyone who prefers a reliable, no-fuss wired connection with multiple ear tip sizes for a comfortable seal.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the CX 300S earbuds come with different tip sizes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they include four silicone ear adapter sizes (XS, S, M, L) to help you find the best seal and comfort.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the inline remote to answer calls on my phone?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the one-button smart remote supports play\/pause and answering calls on devices with a 3.5mm headset jack.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":48436789739677,"sku":"B07NFQX75J","price":56.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/sennheiser-cx300s-front-view-white.jpg?v=1781455510","url":"https:\/\/nexoltic.com\/products\/sennheiser-cx-300s-in-ear-headphones-white","provider":"Nexoltic","version":"1.0","type":"link"}