1/4" Jack: also known as phone plug. Unbalanced connection using a phone-patching cord connector. The most basic connection in audio
Subwoofers are the large speakers that handle the lowest bass frequencies.
For those who want to avoid purchasing one or more dedicated power amps for their PA systems, powered speakers are a popular option that integrate amplifiers directly into their cabinets.
Speakers are designed to reproduce specific frequency ranges. So-called “full range” speaker cabinets usually contain a woofer and tweeter and are referred to as a two-way system.