DETAILS, DETAILS200 Watts Of Power (50×4)Auto EQ Microphone With Selector Switch IncludedCompatible with Start/Stop Vehicle TechnologyFIT2™ Technology IncludedTurn On Via Remote 12v Signal Or DC OffsetAuto 40-Band EqualizerBi-Amp Capability (Defeatable)Auto Compressor (Defeatable)Kicker EQ Preset (Defeatable)Auto Time Alignment (Defeatable)Auto Level Adjustment (Bi-Amp Mode Only)Auto Speaker Size Detection24dB Crossovers60/80/120hz High Pass Filter (Defeatable)SpecificationsPower (watts/ch), 4 Ohm stereo50x 4Microphone/Kicker EQ buttonincludedStandard dimensions(H x W x L)1-11/16 x 2-3/4 x 7-3/8Metric dimensions(H x W x L)4.3 x 7 x18.7Frequency Response (Hz):20-20k, +0/-1dBInput Sensitivity:high level 250mV-10VSignal-to-Noise Ratio:>90dB, a-weighted, re: rated powerActive Crossover:24dB/octave, selective high pass or all pass @60,80, or 120HzWhat’s in the Box:1 – 4 channel power amplifier1 – microphone1 – microphone cable with switch1 – fuse holder1 – manual and installation hardware