Alpine S2-S40 4-Inch Coaxial Speakers – Hi-Res Audio Certified, HAMR Surround

Elevate your listening with Alpine S2-S40 4" Coaxial Speakers

Introducing the Alpine S2-S40, a next-generation addition to the S-Series that brings noticeable refinement to entry-level sound. These 4" coaxial speakers are Hi-Res Audio Certified, capable of reproducing frequencies up to 40 kHz for a listening experience that feels more natural and detailed across genres. Built with a thoughtful mix of materials and Alpine’s HAMR Surround technology, the S2-S40 balance precision with a lively, engaging sound signature.

What makes them stand out

• Hi-Res Audio Certified for extended high-end clarity without breaking the bank
• Frequency response reaching up to 40 kHz for crisp highs and defined details
• Premium cone materials — Polypropylene, Glass Fiber, and Mica — for lightweight strength and low distortion
• HAMR Surround (High Amplitude Multi-Roll) enables greater cone travel for deeper, more controlled bass
• Compact 4" woofer paired with a built-in 3/4" tweeter delivers a full, dynamic range
• Solid power handling: up to 140W peak and 45W RMS for confident, clean output

Real-life use cases

• In-car upgrades: upgrade factory speakers for clearer vocals, more natural mids, and punchier bass without extensive modifications
• Home entertainment tweaks: compact enough to pair with small AV setups for improved overall sound balance
• Easy installation: designed to simplify the upgrade process so you can enjoy better sound with minimal hassle

The S2-S40 is designed to complement a wide range of installations while staying true to Alpine’s commitment to reliable performance and value. The goal is to offer a practical, scalable upgrade that can bring a more engaging listening experience without promising specific results. Consider these speakers as a possibility for improved detail and presence in your daily listening, especially where space is at a premium.