Must you have an output jack on the guitar for this to work? I have a Eric Clapton Signature Martin with no Jack.
TWA does require a pickup to function. For folks without, we do offer bundle packs with non invasive pickup that you can find here: https://store.tonewoodamp.com/collections/tonewoodamp-options/products/tonewoodamp-pickup-bundle
Gary Fowler
Must you have an output jack on the guitar for this to work? I have a Eric Clapton Signature Martin with no Jack.