Mallory Psr16N08Ak SPEAKER, 0.3W, 600HZ-20KHZ; Driver Type:Miniature; External Diameter - Metric:16mm; Impedance:8ohm; Power Rating Nom:300mW; Sound Level SPL:84dB; External Diameter - Imperial:0.63"; Frequency Response Min:600Hz; Speaker Shape:Round EUR 4.54 1