JBL Studio 530 CH 5.25-Inch 2-Way Bookshelf-type Speakers Cherry Wood Color 5-1/4" (130mm) Low-Frequency Transducer 1" (25mm) High-Frequency Compression Driver Glass-filled ABS Bi-Radial High-Frequency Horn 3/4" (19mm) MDF Enclosure Low loss, 2-way crossover network