What is a passive subwoofer?

Passive/Unpowered Subwoofers Most passive subwoofers are incredibly simple, featuring a large low-frequency driver and sometimes an induction circuit to roll off frequencies above their optimal operating range. This makes them comparatively lighter and less expensive, and you can pair passive subs with any sufficiently powerful amplifier.

How do I add a subwoofer to my PA system?

It sounds like you need to add a subwoofer to your PA system. Dropping a subwoofer into your existing set up couldn’t be easier. Sweetwater carries powered options if you don’t have a spare power amp available. Just plug it into the summed bass output from your crossover and go. Check out our massive passive versions as well.

Why buy PA subwoofers from Sweetwater?

With a massive selection of PA Subwoofers, free shipping, a free 2-year warranty, 24/7 access to award-winning support – and more – Sweetwater gives you more than any other retailer! If you have any questions about PA Subwoofers , make sure to give your personal Sales Engineer a call at (800) 222-4700 .

What is a low pass crossover on a subwoofer?

The low-pass crossover is typically variable from 40Hz to somewhere around 160-200Hz. High-Pass Crossover: The frequency above which your speakers will take over. This is a setting most commonly associated with a subwoofer that has speaker level outputs for connecting satellite speakers.