5.25” S-Series Full Range Speakers

Alpine S2-S50
Alpine S2-S50 Alpine S2-S50 Alpine S2-S50 Alpine S2-S50 Alpine S2-S50 Alpine S2-S50


Newly redesigned and Hi-Res Audio Certified, the Next-Generation S-Series S2-S50 5” Coaxial Speakers offer a new standard in entry-level sound performance.

  • Hi-Res Audio Certified (Up to 40kHz)
  • Poly Propylene, Glass Fiber, and Mica Cone Material
  • Lightweight Design with High Output and Low Distortion
  • High-Amplitude Multi-Roll (H.A.M.R.) Surround
  • Integrated 3/4" Tweeters (Coaxial)
  • Compatible with KTE-S50G Speaker Grille (sold separately)

Hi-Res Certified

Using “trickle-down” technology, inspired design, and performance cues from the Ultra-High-Resolution AlpineF#1Status system, the Next-Generation Alpine S-Series Speakers are now Hi-Res Audio Certified and able to reproduce up to 40kHz frequency response. This new benchmark in sound quality elevates the Next-Gen S-Series Speakers resulting in a more accurate and natural sound at an entry-level price point.

Clean, Accurate Audio

Crafted with a unique combination of Poly Propylene, Glass Fiber, and Mica Cone materials, the S2-S50 is designed for lightweight construction, high output, and low distortion, giving you a clean and accurate audio experience.

HAMR Surround

Alpine-exclusive High Amplitude Multi-Roll (HAMR) surround technology is integrated into the speaker design which allows for maximum cone movement, delivering powerful and accurate bass notes.

Protect Your Speakers

The S-Series S2-S50 is compatible with the KTE-S50G Speaker Grille (sold separately). This sleek and stylish grille will not only add a visual upgrade to your speakers but also provide protection against any damage.


Woofer Size
Tweeter Size
0.75" (Coaxial)
Power Handling
170W Peak
Frequency Response
80Hz - 40kHz (Hi-Res)
87 dB
More Information
Brand Alpine
RMS Power 55W RMS
Speaker Design 2-Way
Speaker Size 5.25"