Build a Great Sounding Audio Amplifier (with Bass Boost) from the LM386
100W Guitar Amplifier (Mk II)
Deluxe Micro
ammoon Electric Guitar Headphone Amplifier Amp 1/4 Inch Plug 3.5mm Headphone Jack & Aux In with Classic Rock Distortion Effect Built-in Rechargeable Battery - Walmart.com
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 :