APM-TEC Diameter (mm) Height (mm) Impedance (O) Fundamental Frequency (Hz) Frequency range F0 – (Hz) Power rating (Rated / Max) (W) *Sound Output (dB) Frame Material Diaphragm
APM-L2808M-0.5W 28 5 8 650 20 0.5 / 1.0 91 ± 3 Metal Mylar