Amazon.com: Marshall MS4 Battery-Powered Mini Micro Full Stack Guitar Amplifier : Musical Instruments
Amazon.com: LyxPro 40 Watt Electric Guitar Amplifier | Combo Solid State Studio & Stage Amp with 8” 4-Ohm Speaker, Custom EQ Controls, Drive, Delay, ¼” Passive/Active/Microphone Inputs, Aux In & Headphone Jack :