DEEP, POWERFUL BASS: The Rockville RV8P 8" subwoofer delivers 400W peak/200W RMS power, producing rich, resonant low frequencies for an immersive car audio experience. VENTED ENCLOSURE DESIGN: Computer-engineered bass reflex aero-port system with 15 degree angled design maximizes punchy bass output and sound alignment in vehicles. PREMIUM BUILD QUALITY: Features a bonded, stapled, and braced 3/5" MDF cabinet with aviation-grade tweed carpet for rugged durability and a sleek look. SIMPLE SETUP: 4-ohm impedance with mono gold-plated push terminals ensures secure connections and compatibility with most car amplifiers. DETAILED AUDIO PERFORMANCE: Frequency response of 50Hz-500Hz and 86dB SPL @ 1w/1m deliver clear, dynamic sound across music genres.