Sound Foundations: A Review of the RBH Sound 21-SF/R Subwoofer
American company RBH Sound has introduced a real monster for equipping home cinemas of the highest level – a passive subwoofer RBH Sound 21-SF/R with a 21-inch bass driver and a 4-kilowatt external amplifier RBH DA-2602DSP. Such a gigantic emitter with a diffuser made of carbon fiber was made by Pierce Audio specifically for RBH Sound. Pierce Audio has been…