The MB Quart QL 1212 Sub is a car audio subwoofer designed to deliver powerful bass performance in automotive sound systems. It features a 12-inch diameter cone, which provides a balanced sound output while handling a substantial amount of power. The subwoofer's design integrates a rigid polypropylene cone for improved sound clarity and durability, alongside a high-temperature voice coil that supports effective heat dissipation, thus prolonging the life of the speaker. The QL 1212 Sub is typically rated for a peak power handling of approximately 1200 watts and has an RMS power handling of around 400 watts, making it suitable for a variety of amplification setups. The subwoofer also includes a reinforced rubber surround, ensuring stable cone movement while minimizing distortion at high volumes. With its dual 4-ohm voice coils, it offers flexibility in wiring configurations, allowing users to achieve the desired impedance for their amplifiers. The overall frequency response extends down to around 32 Hz, ensuring that deep bass notes are reproduced accurately. Its stylish design often features a rugged grill, enhancing its aesthetic appeal while providing additional protection against damage.