DIY build dual Alpine 1243 Type R in 6 cubic foot ported box.
EQ-Max 12 12 inch Subwoofer The EQ-Max 12 is Velodyne's best subwoofer for the money with a 12 inch woofer. The 450 watt dynamic amplifier and down-firing port go as low as 25 Hz while output up to 135 Hz at 3dB down further rounding out your satellite speakers' low end. Press the remote's EQ button to perform Auto-EQ, which matches the subwoofer's bass output to your room...
Peak power 900 watts, 2-ohm dual voice coils, santoprene® surround, pulp cone with reinforced kevlar, stamped steel basket.
Want great performance from a sub that won't take up that much room? The new Alpine Type-S subwoofers feature a shallow mounting depth design, so you can get tight accurate bass in smaller spaces. An advanced airflow system including a stamped steel basket design with leg venting cooling keeps the bass going while keeping your sub cooler. Round out your system with the Type-S sub, and...
Peak: 900 watts, RMS: 300 watts, Impedance: 2-Ohm, Kevlar reinforced pulp cone woofer, Injection molded Santoprene® rubber surround, 2-Piece Structural Parabolic diaphragm design, 3/8" high-density MDF