Dual guitar inputs allow simultaneous play of two instruments or microphones for group jamming
Built-in Bluetooth enables wireless music streaming from smartphones or tablets for practice or live performance
Integrated delay effect adds depth and creative possibilities to guitar tones
Clean and overdrive channels provide versatile sound options for different playing styles
Compact 6.5-inch speaker delivers clear, powerful sound without bulk
Summarized by Shop
The G-AMP 20 by Rockville is a high quality guitar amplifier with great sound quality and 20 watts RMS power. It plays really nice and clean like you would expect. Aside from the sound quality we added a great selection of features that are important to new or experienced guitar players. Our unique combination of features make this amp th
For the price, you get 2 channel input, PLUS Bluetooth. This enables my granddaughters to plug in a mic plus a guitar and play along with karaoke by way of the Bluetooth!
B
Barry · June 18, 2026
G-20 amp perfect
This amp is perfect for my twin sized garage setup for me and my neighbors use it’s a fine product within its price range for amateur’s no problem! It’s good to go!
