Carl Martin Dual Injection - Demo by Simon Gotthelf

This video is about Dual Injection: The Dual Injection is a clever little two in one boost pedal, features two individual boosts, that smartly can be used as one for pre-boost, and the other as it can be used serial or stacked so the first boost runs into the second, this give up to four sound levels! Your Clean tone, – Boost one, – Boost two, – or boost one into boost two. More info at