... (maximum 2V ppm)Speaker Impedance4ΩDistortion≤5%Torch LightΦ5 FM FM moduleP5807FM band range87.5 - 108 MHzSensitivity75 ΩMono, 26 dB signal to ... (pcs)107,400mini speaker,portable speaker,TF card speaker with high qualitySupport USB Flash Driver, SD card, Line In, Torch Light, Portable USB speaker