RCF HL 6 Passive Two-Way Line Array Module - 2X6"The RCF HL 6 is an ultra compact passive two way full range system for small and medium sized spaces. The 1. 75" neodymium compression driver with a constant directivity waveguide design generates a horizontal constant directivity coverage of 100 degrees over the entire vocal range with remarkable clarity. Two high power 6" woofers deliver extended low end up to 131 dB SPL for a wide range of applications, both alone, or in line array configuration.