Boss GP-20 Amp Factory

^# 63

Equipboard's ranking is determined by analyzing factors such as professional artist usage, popularity, user ratings, reviews, and more.

$118.22 Price Tier: Budget

5.0 (2)

This product is Vintage or Discontinued

Find out who is using Boss GP-20

1 community setup

0 wishlisted

6 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 4, 2026.

Store

Reviews

Price

5.0 (6)

$118.22 5 available Used

View Deal

Average Price: $118

Budget/Beginner

$200

$501+

Price Tier

In the Amp & Cabinet Simulators category, Boss GP-20 Amp Factory is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

Unleash the full spectrum of sound with the Boss GP-20 Amp Factory, your all-in-one solution to achieving the perfect tone. This compact marvel doesn't just replicate the sound of guitar amps; it revitalizes your music with a range of tonal possibilities that span from the vintage vibe of classic tweed to the roaring aggression of British muscle. With its easy-to-navigate interface, the GP-20 Amp Factory is a testament to how simplicity meets versatility, offering you a multitude of soundscapes without the hassle of lugging around heavy equipment. Whether on stage or in the studio, this pedal stands as a powerhouse of sound that fits right at your feet.

Key Features:

Ten combo options and four speaker cabinet emulations for an expansive range of sounds
Three-band EQ with an additional presence control for fine-tuning your tone
Dual-stomp design for intuitive operation and versatility
Capable of achieving a wide variety of tones, from classic tweed to British muscle

Product specs

Brand	Boss
Model	GP-20 Amp Factory
Finish	Black
Year	2000s
Made In	Taiwan
Categories	Amp Modeling Pedals
Color Family	Black

FAQs

What does the Boss GP-20 Amp Factory do?: The Boss GP-20 Amp Factory is an amp modeling pedal that simulates the sound of various classic amplifiers, allowing guitarists to achieve different tones without needing multiple physical amps.
Can the Boss GP-20 Amp Factory be used with a bass guitar?: While primarily designed for electric guitars, the Boss GP-20 Amp Factory can also be used with a bass guitar, but tonal results may vary depending on the specific amp models chosen.
How many amp models are included in the Boss GP-20 Amp Factory?: The Boss GP-20 Amp Factory features a selection of 22 classic and modern amp models, providing a wide range of tonal options for different musical styles.
Does the Boss GP-20 Amp Factory require a specific power supply?: The Boss GP-20 Amp Factory operates on a standard 9V DC power supply, which is common for many pedalboards and can be easily integrated into existing setups.
Is the Boss GP-20 Amp Factory suitable for live performances?: Yes, the Boss GP-20 Amp Factory is designed for both studio and live use, offering robust construction and versatile sound options that make it suitable for gigging musicians.