Nordland Lutheran The different color areas of this computer model show different sound levels (direct coverage map). Getting this coverage as good as possible results in the best sound in the reverberant real world. The different color areas of this computer model show different sound levels (direct coverage map). Getting this coverage as good as possible results in the best sound in the reverberant real world. The different color areas of this computer model show different sound levels (direct coverage map). Getting this coverage as good as possible results in the best sound in the reverberant real world. Do you need a new sound system in your church? Call EMIAudio 612-789-2496 or 1-800-832-5174 BACK