Boss GP-20 Amp Factory

Multi-Effects · Boss

Boss GP-20 Amp Factory

9V DC · center −
Buffered bypass
Digital

New: No price yet
Used (asking): from $110.31

Compare prices See specs

Quick facts

Power: 9V DC
Polarity: Center negative
Bypass: Buffered bypass
Dimensions: 173 × 154.9 mm
Status: In production

Where to buy Boss GP-20 Amp Factory

Used listings asking $110.31–$115.61, median $113.84 (2 listings, small sample). Asking prices, not sold prices.

Current offers
Seller	Condition	Price	Link
Reverb	Used	$110.31	View
Reverb	Used	$117.37	View

Prices last checked under an hour ago. Links to sellers are affiliate links.