Lepy LP-269FS 12V FM Mini Hi-Fi Stereo Amplifier Amp 4 Channel with Bluetooth FunctionFeature: WIth an FM tuner、 on-board MP3 decoder with SD\/MMC and USB input Stereo RCA audio in with pass-through stereo RCA audio out、 an IR remote control、 as well as power output for four speakers. The built-in LCD display shows you the mode of operation as well as displaying time elapsed for MP3 files and the radio station tuning frequency. Front mounted treble、 bass、 and volume controls、 as well as a four function EQ (accessible via the remote control) A wide input voltage range of 9 to 14.4 VDC allows the LP-269FS to be used in automotive or mobile applications. Included with the amplifier are: an IR remote control、 a 12VDC 3A power supply(US Plug)、 and a 16" long FM antenna. Up to four speakers can be powered using the dual stereo output.  Specification:   Power requirements: 9 to 14.4 VDC、 3A (US Plug)   DC power input jack: 2.1 mm x 5.5 mm    Stable down to 2 ohms    Minimum THD: <1%    Signal-to-noise ratio: >80 dB    Frequency response: 20-20、000 Hz    Input impedance: 47k ohms    FM tuner frequencies: 87.5 to 108 MHz    FM receiver sensitivity: 16 dB    FM signal-to-noise ratio: 60 dB    Channel separation: 39 dB    Dimensions (including mounting flange): 7" W x 4-3\/4" D x 1-3\/4" H.     Package Included:  1 X 12V3A Adapter  1 X LP269 Amplifier  1 X Remote Controller  1 X Cable