Subsonic Filter: 24dB/octave high-pass fixed @ 25Hz 1 x Harmony Audio HA-AK4 Car Stereo Complete 4 Gauge 1800W Amp Install Kit - Nickel (2) High Quality Binding Terminal Cups (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA') Honda Ridgeline Subwoofer System Harmony Audio HA-AK4 Car Stereo 4 Gauge 1800W Amp Install Kit With Dual 10 Sub Box Signal to Noise Ratio: 95dB Dimensions: Width 49 x Height 8-1/2 x Depth 11-1/2 1600 Watts x 1 @ 1 Ohm PEAK High Quality Black Carpet This Package Includes the Following Items: 1 x ASC HON2X10-RDLINE Compatible with Ridgeline 06-14 Sub Box Ext Cab Dual 10 Harmony Audio Compatible with 2004-2008 Ford F-150 HA-R68 Frequency Response: 25Hz - 200Hz #949 in Car Enclosed Subwoofer Systems 2 x Kicker 43C104-N 10 Comp C10 Series 150W RMS 4 Ohm SVC Car Sub Dimensions: 8-1/8 Length x 2-3/8 Height x 7-3/16 Width 4., 6 out of 5 stars Best Sellers Rank #728,766 in Electronics (See Top 100 in Electronics) 1200 Watts x 1 @ 2 Ohm PEAK Active Crossover: 12dB/octave, variable 50-200Hz, low pass only Mazda CX-5 Car Stereo Complete Installation Kit | Fitting Kicker 46CXA8001 Car Audio Class D Amp Mono 1600W Peak Sub Amp Power Handling: 600 Watts x 1 @ 2 Ohm RMS Honda Ridgeline Aftermarket | atelier-yuwa.ciao.jp