NAMM SHOW 2017: QSC K Cardioid Subwoofer Dual 12-inch Active Subwoofer
QSC Introduces K Cardioid Single-Box Powered Cardioid Subwoofer | audioXpress
How do you calculate cardioid subwoofer spacing? (gradient array) - Sound Design Live
How to correctly position multiple Subwoofers for Cardioid Deployment - Live Sound
How should I set up my subwoofers? Three ideas to consider.... - Carvin Audio
Back to Basics: Directional Subwoofer Arrays – FOH | Front of House Magazine
QSC KS212C - A Festival bass array in a box! - Westend DJ Blog
File:Cardioid Subwoofer Array.png - Wikipedia
AES PNW Meeting Report - A Cardioid Subwoofer Array - Theory vs. Practice
Bringing The Boom: Main/Sub Array Configurations & Implementation - ProSoundWeb
Big Bottom | Dave Rat - Roadies in the Midst
cardioid subwoofers | Bob McCarthy's Blog
What is a Cardioid Subwoofer? Why Do I Need One?
Cardioid Subwoofers — Bob McCarthy
Cardiod Subwoofer Arrays - YouTube
Subwoofer Arrays - Amate Audio
BC543 - Alcons Audio
Review: QSC KS212C Cardioid Subwoofer - Church Production Magazine
Do-It-Yourself Cardioid Sub
Subwoofer Arrays - Amate Audio
QSC KS212C - A Festival bass array in a box! - Westend DJ Blog
SXC118 | 18" High Performance Cardioid Subwoofer
How to correctly position multiple Subwoofers for Cardioid Deployment - Live Sound
