Audio speakers handmade from PVC pipes, each houses a 3 inch magnesium/aluminum alloy full range driver. Frequency response is 80-20,000. 3 way binding posts on back. The bass port is on the end of the 1-1/2 pipe/stand. Nice sound and a very good sound stage, lots of low end bass for a small speaker. Hand painted with a high gloss lacquer. Available here.