Check the noise bylaws, many cities prohibit the use of speakers that are audible outside the property even if operated outside of quiet hours. If your city has

Check the noise bylaws, many cities prohibit the use of speakers that are audible outside the property even if operated outside of quiet hours. If your city has such a statute, you can try talking to your neighbor and/or report it and have the police enforce the noise law. Good luck, I know firsthand how irritating this can be.