Alpine Alpine S2-S50 S-Series 5 1/4 Inch 2-Way Coaxial Speaker

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S-Series 5 Inch 2-Way Hi-Res Audio Coaxial Speaker System

Immerse yourself in the unrivaled audio quality of Alpine’s latest S-Series loudspeakers—now introducing Hi-Res Audio for an unparalleled auditory experience.

Setting the standard for sound quality and value, the S-Series delivers intricately detailed loudspeakers that faithfully reproduce studio-level Hi-Resolution audio across the entire frequency spectrum.

Alpine's commitment to innovation is evident in the cutting-edge technology and engineering featured in the revamped S-Series. The exclusive composite glass fiber hybrid cone, meticulously designed for rigidity and lightness, partners with Alpine’s patented HAMR surround. This collaboration enhances control and excursion of the woofer diaphragm, resulting in pristine, impactful sound and powerful bass even at high SPL.

The 1” soft dome tweeters excel in upper harmonics, offering a remarkably smooth and detailed high-frequency response extended up to 40kHz. This ensures you capture the finest nuances in your music.

The new S-Series, available in an extensive range of component and coaxial speakers, stands as the most impressive and versatile lineup ever. Its flexibility in system configuration and compatibility with virtually any vehicle type make it a game-changer.

Elevate your in-car sound to extraordinary levels with the new S-Series loudspeakers, delivering performance that surpasses their modest price point.

(KTE-S50G Grilles pictured are sold separately.)


What is Hi-Res Audio?

With Hi-Res Audio streaming services and music downloads, you can now enjoy a higher sampling rate than CDs, bringing your favorite music tracks to life with extreme clarity. Alpine’s Hi-Res Audio Certified Head Units, Amplifiers, and Digital Signal Processors are engineered for faithful audio reproduction from high-resolution sources and recordings with sample rates up to 192kHz/24Bit.

Why Hi-Res Audio?

Listening to Hi-Resolution Audio allows you to feel every emotion and hear every nuance; every detail of your favorite artist’s original studio performance is reproduced to perfection. Hi-Res Audio provides absolutely no distortion for the ultimate listening experience.

Why Hi-Res Audio Certified Speakers?

Hi-Res Audio goes beyond the limits of ordinary speakers. To accurately render the sound of Hi-Resolution sound sources and recordings in true high definition, the reproduction of an extended dynamic frequency range right up to 40kHz is paramount.

Hi-Res Audio Certified

All-New for S-Series, Hi-Res Audio Certification brings a whole new dimension of sonic excellence to your everyday drive. With an impressive extended dynamic range, playing upper harmonics all the way up to 40kHz, your tracks will come alive with a level of detail and nuance faithful to that of the original recording.

HAMR Surround

Alpine’s patented High Amplitude Multi-Roll (HAMR) surround not only maintains full control over the cone at any stage of excursion for high SPL but also exceeds the maximum linear excursion of regular domed surrounds. This allows for beautifully pure sound and punchy bass.

Glass Fiber Composite Woofer Cone

The door woofer features an all-new glass fiber composite cone, engineered to be far stronger than a traditional oval cone diaphragm. The resulting rigidity coupled with glass-fiber’s innate lightness ensures highly controlled cone excursion and excellent audio reproduction.

Integrated Hi-Resolution Soft Dome Tweeter

The integrated 20mm Soft Dome Tweeters, Hi-Res Audio Certified, allow your music to come alive! Playing upper harmonics climbing all the way to 40kHz, these soft yet detailed tweeters bring the studio to the dashboard with unmatched nuance and authenticity.

Large Magnet Structure

The large strontium magnets housed on the back of S-Series speakers, combined with large voice coils and Alpine’s patented HAMR Surrounds, increase cone excursion and the driver's force, providing louder, punchier sound.

Protective Grilles (Sold Separately)

Safeguard your new S-Series speakers with these durable mesh speaker grilles, available for several speakers in the S-Series range and packaged in pairs. (See KTE-S50G - Sold Separately)

Extra Information