Stagg MOB20 USA 20 Watt RMS Battery Operated Acoustic Guitar Amplifier with Spring Reverb 1 x 6.5" speaker High impedance instrument (Jack) & microphone (balanced XLR) inputs w/ independent volume controls 3-band EQ (Bass/Middle/Treble) + separate Parametric Mid control Volume & Gain controls Stereo jack input for CD/MP3 player