Interior Speakers & Sirens Echo™ Speaker ELK-70 Echo™ Siren ELK-71 Compact Echo™ Speaker ELK-73 Compact Echo™ Siren ELK-74 Flush Mount Speaker ELK-SP12F 20 Watt, 8 Ohm, Interior Speaker ELK-SP35 Dual Tone Interior Siren ELK-SS36
