Alpine SPJ-691C3 Type-J 6x9-Inch 3-Way Coaxial Car Speaker

Experience the next level of in-car audio with the Alpine SPJ-691C3 — a high-performance 6x9-inch 3-way coaxial speaker from Alpine's acclaimed Type-J series. Designed for drivers who want rich, full-range sound without a complex multi-component setup, the SPJ-691C3 packs a woofer, midrange, and tweeter into one seamless unit for effortless installation and outstanding results.

Why Choose the Alpine SPJ-691C3?

Whether you're replacing lifeless factory speakers or building your first serious car audio system, the SPJ-691C3 delivers. With a wide frequency range of 30 Hz to 30 kHz, every note — from deep bass rumbles to crisp high-frequency detail — comes through with clarity and power. The 400W peak handling means it can keep up with even a dedicated amplifier, while the silk dome tweeter ensures vocals and highs remain smooth and fatigue-free on long drives.

Key Features

• Type-J 3-Way Coaxial Design — woofer, midrange, and tweeter in a single unit for full-range performance
• 400W Peak / 60W RMS Power Handling — built to pair with aftermarket head units and amplifiers
• Wide Frequency Response: 30 Hz – 30 kHz — reproduces the complete audio spectrum
• Silk Dome Tweeter with Neodymium Magnet — smooth, detailed highs without harshness
• PEI Cone Woofer with Ferrite Magnet — punchy, accurate bass with excellent rigidity
• Rubber Roll Surround — long-lasting flexibility and improved low-frequency extension
• Surface Mount Design — easy fitment in most standard 6x9-inch speaker locations
• Made in Japan — Alpine's legacy of precision engineering

Specifications

Ideal For

• Upgrading rear deck or door speakers to 6x9-inch slots
• Drivers wanting 3-way sound without a component speaker setup
• Anyone building a powerful, clean-sounding car audio system on a budget

More ways. More sound. More Alpine.