Alpine S2‑S40C S-Series 4" (10cm) 2-Way Coaxial Car Speakers | 140W

The Alpine S2‑S40C component car speaker system is engineered to deliver high‑quality audio performance in a compact form factor. Designed as part of Alpine’s S‑Series Hi‑Res Audio lineup, these speakers combine a 4″ woofer and separate tweeter units with external passive crossovers to ensure precise frequency distribution and smooth integration between drivers. The lightweight woofer cone, made from polypropylene, glass fibre and mica, is supported by Alpine’s High‑Amplitude Multi‑Roll (HAMR) surround, allowing for enhanced cone excursion and deeper, more controlled bass response — even at higher volume levels.

Hi‑Res Audio certification enables extended frequency response up to 40 kHz for detailed high‑frequency reproduction, making these speakers ideal for drivers who want a listening experience that’s richer and more dynamic than typical factory car speakers. The external crossover networks help fine‑tune the balance between the woofer and tweeter, providing clearer vocals, improved imaging and more natural sound staging. Suitable for use with both factory head units and aftermarket car stereo systems, the Alpine S2‑S40C is a dependable choice for component speaker upgrades in a wide range of vehicles.

S2‑S40C Key Features

The New 2023 S-Series Speaker Line

The S-Series sound system line truly is the Music Lover’s Starter Pack, bringing amazing sound quality, exciting bass and even Hi-Res Audio playback into the customer’s vehicle at a very affordable price point. The S-Series speakers are available in 9 different configurations.

Hi-Res Audio 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-S40C 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.

Simplified Installation

Engineered for versatility, these speakers offer seamless OEM fitment and simplified installation. With in-line crossovers, you can achieve optimal sound separation and precise tuning. The adjustable tweeters feature a flush mount housing that is removable, allowing for installations in small OEM tweeter locations. You can even remove the tweeter housing to minimize the size for custom installation.

Made for S-Series Amps & Subs

The S-Series speakers are designed to perfectly match the Alpine S-Series amplifier and subwoofer line for perfect system building. S-Series components are designed to for customers that want to build a great sounding system without breaking the bank, for a fun and great sounding experience including Hi-Res Audio capabilities.

S2-S40C Features

• Woofer Size: 10cm (4”)
• 2cm (¾“) Component Tweeters with Swivel Housing
• 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 (HAMR) Surround

S2-S40C Specifications

Power Handling

• Peak Power: 140 Watts
• RMS Power: 45 Watts

Dimensions Woofer

• Cutout Diameter (flush-mount): 93.6 mm
• Mounting Depth: 43.0 mm
• Mounting Height: 6.6 mm
• Magnet: 75.0 mm

Dimensions Tweeter

• Cutout Diameter (flush-mount): 51 mm
• Mounting Depth: 17.6 mm
• Mounting Height: 7.6 mm

General

• Frequency Range: 100 Hz - 40 kHz (Hi-Res Audio Certified)
• Impedance: 4 Ohms
• Sensitivity: 85 dB/W