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We are a small venue oldies/country band, playing at car shows and small town fairs.  The band is a guitar, bass, keyboard and a drummer playing a Roland digital kit.  We mix all mics and instruments through a Yamaha board, then out to the amps/speakers.  Since pro sound is not provided at these small venues, we have our own PA system.  Our old passive system was 2 Yamaha S115IV mains and 2 Peavey 18” subs.   We used 2 Tapco amps with a stereo crossover.  We typically adjusted the crossover away from the bass side, as it would get pretty “boomy.”

We’ve upgraded our mains to a pair of EV ZLX-15 powered speakers.  We want to add a sub, but wanted some of your opinions on what direction to take.  Our options would be:


  1. Buy a single EV powered 18” sub.  Our thinking is that 1 would be plenty, based on our previous experience.
  2. Buy a pair of smaller powered subs, with a 12” or 15” speaker. 

Any advice or opinions would be appreciated!