Kicker 48TRTP122 is a 12-inch TRTP thin down-firing loaded enclosure with a CompRT subwoofer and passive radiator for compact vehicle bass systems. Key Performance Features 12-inch down-firing loaded enclosure Integrated passive radiator design 2-ohm final impedance 500 W RMS recommended amplifier power Thin-profile enclosure for under-seat, cargo-area, or trunk use System Architecture Type: Passive loaded subwoofer enclosure Application: Compact vehicle bass upgrade Final Impedance: 2 Ω Enclosure Orientation: Down-firing Power Handling / Output Recommended Amplifier Power: 500 W RMS Peak Power: 1000 W Driver / Construction CompRT thin-profile subwoofer reFLEX passive radiator system Internally braced MDF enclosure Forced-Air Cooling design on compatible CompRT subwoofer platform Enclosure / System Use Under-seat truck bass systems Cargo-area or trunk installations Vehicle builds needing protected down-firing bass output Recommended Amplifier Matching (Sold Separately) For best performance, pair this Kicker subwoofer system with a Kicker amplifier capable of delivering clean RMS power into the correct load: Kicker mono subwoofer amplifier – ideal RMS match when selected for the stated impedance and power requirement Kicker higher-output mono amplifier – gain-limited headroom option when matched to the stated impedance Technical Specifications Brand: Kicker Series: TRTP Model: 48TRTP122 Woofer Size: 12 in. (30 cm) Impedance: 2 Ω Sensitivity: 98 dB Tuning Frequency: 35 Hz Dimensions: 27-1/2 in. W x 6-1/8 in. H x 14-5/8 in. D Identifiers & Packaging MPN: 48TRTP122 UPC: 713034021223 Sold As: Loaded enclosure Included Components: Loaded subwoofer enclosure, documentation Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in car audio, marine audio, and vehicle-specific integration Expert support for product selection, amplifier matching, and clean system setup