Alpine S2-S40C S Series 4" 2 Way Coaxial Speaker

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Introducing the S2-S40C, an exceptional 4-inch 2-way Hi-Res Audio component speaker system from Alpine's S-Series. Priced at $199.00, this speaker system offers a rich and detailed sound experience, delivering studio-level Hi-Resolution audio faithful across the entire frequency bandwidth.

The S-Series features innovative technology and engineering, including an exclusive design composite glass fiber hybrid cone that provides rigidity and lightweight performance. Combined with Alpine's patented HAMR surround, the woofer diaphragm achieves increased control and excursion, resulting in pure and punchy sound with powerful bass even at high sound pressure levels.

The 1" soft dome tweeters reproduce incredibly smooth and detailed high frequencies, extending up to 40kHz to capture the finest nuances in your music. With a range of component and coaxial speakers available, the S-Series offers versatility and compatibility for installation in various vehicle types.

Experience an audiophile-level sound experience with Alpine's Hi-Res Audio Certified speakers. Hi-Res Audio allows for higher sampling rates and brings your favorite tracks to life with extreme clarity. With Hi-Res Audio Certified speakers, you can enjoy an extended dynamic frequency range up to 40kHz, faithfully reproducing high-resolution sound sources and recordings.

Additional features of the S2-S40C include Alpine's HAMR Surround for full control and punchy bass, a glass fiber composite woofer cone for excellent response and audio reproduction, versatile tweeter installation options, a large magnet structure for louder and punchier sound, and a compact footprint for flexible installation options.

Upgrade your in-car sound experience with Alpine's S2-S40C and immerse yourself in high-quality audio reproduction that rivals speakers beyond its modest price-point. Enjoy the detail, clarity, and sonic excellence of Alpine's S-Series Hi-Res Audio component speaker system.


4″ (100mm) Lightweight Glass Fiber Composite Component Speaker
HAMR (High Amplitude Multi-Roll) Surround
Large Voice Coil
Magnet Material: Strontium Ferrite

0.8″ Extended-Range Soft Dome
Magnet Material: Ferrite
Application Type: External/Swivel Tweeter Mounting Kit
Flush mount and Collapsable for OEM fit.
Grill: Perforated Net
Crossover Network

Tweeter: High Grade Audio Poly-Capacitor
Power Handling

Peak Power: 140 Watts
RMS Power: 45 Watts (CTA-2031 Compliant)
Dimensions Woofer

Frame 101.2 mm
Cutout Diameter: 93.6 mm
Mounting Depth: 43 mm
Mounting Height: 6.6 mm
Magnet: 75.0 mm
Dimensions Tweeter

Frame: 58mm
Mounting Diameter: 51mm
Mounting Depth: 17.6mm
Height: 25.6 mm

Frequency Range: 120 Hz – 40 kHz
Impedance: 4 Ohms (DCR 3.3 ohms)
Sensitivity: 85 dB/W SPL (1W @ 1m)
Recommended Amplification: up to 45W RMS per channel