The High Amplitude Multi-Roll (HAMR) surround sound of the woofer elevates bass performance by allowing maximum cone movement. A 2cm (3/4") dome offers all the high-frequency details that your factory speakers have missed. All S-Series speakers have wide mounting geometry and include several adapters and spacers. Using inline crossovers, these speakers can be installed quickly and easily even at home.

The new 2023 S-Series speakers offer stunning sound quality and dynamic bass, bringing Hi-Res Audio capability to the customer at an affordable price. The S-Series speakers are available in 9 different configurations.

The S-Series speakers are Hi-Res Audio certified and can reproduce up to 40kHz frequency response, offering a more accurate and natural sound experience at an affordable price. Made with a unique combination of Poly Propylene, Glass-Fiber, and Mica Cone materials, the S2-S40 is designed for lightweight construction, high performance, and low distortion, providing a clear and accurate sound experience.

Alpine's exclusive HAMR Surround technology allows for maximum cone movement, delivering powerful and accurate bass notes. The S-Series S2-S40 is compatible with most 10cm mounts in various vehicles and comes with various mounting bases for different applications. The S-Series speakers are designed to perfectly match the Alpine S-Series amplifiers and subwoofers.

Features & Details

• Woofer Size: 10cm (4”)
• Integrated 2cm (¾“) Domes (Coaxial)
• Hi-Res Audio Certification (up to 40kHz)
• Cone Materials: Poly Propylene, Glass Fiber, and Mica
• Lightweight Design with High Performance and Low Distortion
• High-Amplitude Multi-Roll (HAMR) Surround

Specifications

• Maximum Power Handling: 140 Watts
• RMS Power Handling: 55 Watts
• Woofer Cutout Diameter: 93.6 mm
• Mounting Depth: 43.0 mm
• Mounting Height: 13.3 mm
• Magnet: 75.0 mm
• Overall Frequency Range: 100 Hz - 40 kHz (Hi-Res Audio Certification)
• Impedance: 4 Ohms
• Sensitivity: 86 dB/W