inputs.text: excellence small package - 10year old alpine v12s finally threw towel recently back market new amplifier v12s could produce minimum 618 watts rms 12 volts according original birth sheet split component set one two 10\\ sealed subwoofers receiving 438 watts power power spare older perhaps wiser hoping drop current load car also cut complexity space use current car audio install recycled old components added new head unit shopping around decided seeking 4channel amp could produce least 50 watts channel 200 watts bridged sealed 10\\ subwoofer chosen back day power rated 300600 watts rms really needed make sure enough power drive otherwise would go find good lower power sub sound quality sub spectacular wasnt ideal importantly didnt want spend lot powerful amp tempting searched place surprised find alpine classd actually total beast pasmags review also favorable learned power somewhat conservatively rated fact car running produce something like 60 watts rmschannel 214 watts rmsbridged also uses alpines best classd circuitry pdx line settling cheaper chassis priced well 200 seemed like smart choice expected flat frequency response good headroom pushed great sound quality pros set amp drives 5 14 components authority crank deck higher reach extreme sound levels ears wimp amp good thing sound quality exceeded expectations actually seems better old v12s top line time difference decade makes v12s considered \\cold\\ sound amp definitely \\neutral\\ system sounded great pumped go library rediscover amp tight clear detailed smooth picky find no faults far department compact size runs cool able mount wherever want even seat behind big glove box terminals accept 4 gauge wire amp fused end caps help create cleaner look youre finished also uses regular screwtype terminals rather proprietary terminals seen higher end amps useful certain applications find screws still flexible reliable useful hp lp crossovers little bass boost \\smart\\ frequency 4850hz highly doubt better mix class efficiency sound quality price moment cons amp drive subwoofer well lost \\bump\\ listening rap electronic comment chassis quality somewhat questionable plastic mounting points could break overtightening end caps also plastic tiny screws v12s metal bricks gold plated terminals metal mounting points thing feels little \\cheap\\ side perhaps classd efficiency doesnt need much heatsink no birthsheet others reported receiving one bit put think mine missing skipped therefore rough idea true power levels amp didnt come extra fuses screw terminals case stripped lost one like old v12s cost cutting 1year warranty not problem however product goes another 510 years mentioned subwoofer 10\\ sealed box required 300600 watts rmsaccording original specs therefore lot ask small 4channel amp drive sound good decided pick jl audio \\microsub\\ auditioning several different products local audio store ported design rated 250 watts rms 8\\ w3 blew away sound quality ability \\bump\\ asked ported designs tend louder perwatt sacrifice sound quality far find sub treats jazz rock electronicsampled type music extremely well great tone even response comparable previous sound best seems work well little less power even sedan expensive however ported 8\\ w1 box 80 equal w3 not seem provide low frequency impact general texture w3 big price difference would recommend someone wants real strong bass reproduction without huge box amp dont think subs miracle workers spl freak want watch windows explode youll want stick higher power bigger drivers volume listen diverse range music youll love little guys short amp seems like could easily drive 4 speakers 3way setup includes front components subwoofer even 2 subwoofers even somewhat higher speaker ratings 100 rms front components 250 rms 8\\ subwoofer find enough power drive entire system levels probably damage hearing excellent sound quality great power great price thanks alpine