R2-W10D4

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The Alpine R2-W10D4 is one of the strongest all-around 10-inch subwoofers in the current mid/high-performance market because it balances sound quality, output, thermal handling, an d daily-driver reliability extremely well. The biggest buying considerations are power handling, enclosure type, mounting depth, and whether you want SQL-style musical bass or aggressive SPL output. The R2-W10D4 is Alpine’s updated next-generation R-Series subwoofer and improves on the older Type-R platform with: Larger motor structure Improved cooling Better cone control Deeper low-frequency extension Higher excursion capability Key Features 10-inch subwoofer Dual 4Ω voice coils 750W RMS power handling 2250W peak power Alpine HAMR surround technology Kevlar-reinforced pulp cone Oversized double-stacked ferrite magnets Integrated Faraday ring High-excursion design Twist-lock grille mounting system Optimized airflow cooling system Performance Specifications RMS Power: 750W Peak Power: 2250W Impedance: Dual 4Ω Frequency Response: 24Hz–200Hz Sensitivity: 83.1 dB Mounting Depth: ~6.2" Recommended Sealed Box: ~0.55 ft³ Recommended Ported Box: ~0.85–1.0 ft³ tuned enclosure Show more