Quad ESL 57 Speakers Electrostatic Loudspeakers Floorstanding. The item "Quad ESL 57 Speakers Electrostatic Loudspeakers Floorstanding Pair" is in sale since Friday, January 18, 2019. This item is in the category "Sound & Vision\Home Audio & HiFi Separates\Speakers & Subwoofers". The seller is "lynnthomso8" and is located in Fleet. This item can't be shipped, the buyer must pick up the item.