I have for sale a fantastic addition to you car stereo set up. It is a Kicker Comp 12" with confined box and Rockford Fosgate Amp. Below are the specs for each.

　　Kicker Comp 12 Info.

　　Size (IN., CM)15, 38.0.

　　Impedance (OHMS)4.

　　Max Rec Amplifier Power (WATTS PEAK/RMS)* 500/250.

　　Level of sensitivity (dB 1w/1m)90.3.

　　Frequency Response (Hz)25-500.

　　Mounting Depth (IN., CM)77/16, 18.9.

　　Mounting Cutout (IN., CM)1311/16, 34.7.

　　Minutes Rec Sealed Box Volume (CU. FT., Liters)2.25, 63.7.

　　Max Rec Sealed Box Volume (CU. FT., Liters)5.0, 141.6.

　　Minutes Rec Vented Box Volume (CU. Ft., Liters)** 3.0, 85.

　　Max Rec Vented Box Volume (CU. Ft., Liters)** 4.0, 113.3.

　　Rockford Fosgate Power 551S Info.

　　140W x 2 Car Amplifier.

　　140 watts RMS x 2 at 4 ohms.

　　275 watts RMS x 2 at 2 ohms.

　　550 watts RMS x 1 bridged output at 4 ohms.

　　Stereo or bridged mono output.

　　4-ohm stable in bridged mode.

　　Tri-Way capable.

　　Requires 4-gauge power and ground leads-- circuitry and hardware not included.

　　Variable 50-250 Hz high-pass/low-pass crossover, 24 dB / octave.

　　TOPAZ noise-killing differential inputs remove 80 % of ground loop noise in between the head system and the amp.

　　NOMAD advanced security circuitry keeps an eye on temperature level, voltage, existing and impedance, and offers "smart" shut-down security without restricting system efficiency.

　　TRANSana circuit develops keep voltages low and signal courses simple in the pre-amp section, for minimum distortion and maximum musicality.

　　MEHSA provides more reliable transfer of heat from MOSFET output gadgets to the heatsink for cooler operation Preamp outputs for convenient daisy-chaining of amplifiers.

　　Punch Bass enhances bass approximately 18 dB at 45 Hz (wired remote control consisted of).

　　Dimensions: 12-1/8"W x 2-3/8"H x 9-7/8".