Electro-Voice ELX112P Owner's Manual page 6

System Features (cont')
ELX1 18P – 18" Powered Subwoofer
Optimized for performance with the ELX112P and ELX115P, the ELX118P adds a deep, low-frequency,
amplified punch that you can hear and feel.
6 Electro-Voice Live X Series Powered Owner's Manual