inputs.text: replacehement speakers 2004 toyota sequoia - speakers purchased replace front set 2004 toyota sequoia jbl audio unit drivers side speaker partially blown took great deal time effort mount 612\\ speakers cut adapter rings 14\\ plexiglas order get thehem installed original jbl speakers odd size also mount new tweeters original brackets rehemoving jbl tweeters held bracket threaded shaft nut new ba tweeters no mount used rearview mirror adhesive attach thehem bracket not use crossover original tweeters driven directly audio unit must filter base biampwas worth effort partially sound good even though volume reduced bit expected due higher impedence base clean tight highs crisp clean volume get loud without distortion could not recommend thehem anyone installing sequoia would not much work purchased installed different vehicle installed easily recommend thehem audio sound quality current speakers not tweeter ba tweeters crossover definitely extend high frequency response