Guitar Amplifier, Hybrid Combo
IK Multimedia iRig Nano Amp
Amazon
IK Multimedia iRig Nano Amp Battery-Powered Pocket Guitar Amplifier, with iRig Circuit & Normal/Bright Switch, 3W Class B Amplifier & 3" Neodymium Speaker, Runs on 3 AA Batteries (White)
Adorama
IK Multimedia iRig Nano Amp 3W Pocket Amplifier & Integrated iRig Circuit, Black