4” Fullrange speaker especially suitable for model construction and as control speaker for electronic devices.
Also great replacement for the small speaker in Wurlitzer 1900,2000, 2100 and other models

Impedance (Ohm) 8

nominal power (W) 20

maximal power (W) 30

nominal sound pressure (dB) 90

frequency response(-8dB)(Hz) 100-13kHz

resonance frequency (Hz) 163