PYLE PCA1 Mini 2 x 15W Stereo Power Amplifier Type: Power Amplifier Connectors: RCA Cable L/R Input Four Push Type Speaker L/R Terminals Audio: THD (1KhZ Rated Power): 0.3% Input Sensitivity (1kHz, 4-ohm Rated Power): 150mV Frequency Response: 20Hz - 40kHz Signal to Noise Ratio: 75 dB Power Requirement: AC 120V, 60Hz or AC 230V, 50Hz Dimensions: 5.61 x 2.17 x 4.21