Kepo miniature speakers 8o kepo kp1838sp1 5830 the kepo kp1838sp1 5830 miniature speaker 8o 900 hz 20 no audible buzzes rattles when 253v sine wave signal is swept at frequency range the kepo speaker is a compact round size that is suitable for signal output in machines and other equipment where space is at a premiumtypical applications include voice and signal output in machines and other equipment both indoors and outdoors kepo kp1838sp1 5830 miniature speaker 18mm 8 ohm 0 20khz