Dayton Audio Audio Capacitors Ideal for audiophiles seeking high sound quality Dayton Audio Film Capacitor (250V) 4.7μF Set of 2 - Brand: Dayton Audio - Model: MPT4.7μF - Material: Polypropylene - Rating: 250V 5% - Quantity: 2 Key elements for good sound are the use of polypropylene film material and a highly circular winding shape. This is a listing for two items.