Jixing JX-6520 Guitar Amplifier. It is a solid-state combo practice amplifier rated at approximately 20 to 30 watts. Control Panel & Hardware FeaturesThe front panel includes several standard controls and connections:Inputs & Outputs:INPUT: Standard 1/4" jack to connect your electric guitar.CD INPUT: An auxiliary input channel to plug in an external media player (like a phone or CD player) to play along with backing tracks.OUTPUT (Headphone Icon): A dedicated 1/4" headphone jack that silences the internal speaker for private practicing.