Positive Grid BIAS Guitar/Bass Head
amp
We track this but haven’t seen enough recent sales to price it confidently — 3 sales on record all-time. 1 for sale right now from €400.
Doirado has recorded 3 past sales of the Positive Grid BIAS Guitar/Bass Head, but too few recent ones to quote a trustworthy current price. There is 1 listing live right now across OLX Portugal, from €400 asking. Figures computed 2 September 2026 by Doirado from cross-platform listing data, in EUR.
For sale right now
Best-priced first. Links go to the source listing.
€400
OLX PortugalView listing →Related in Bias
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