AER began producing acoustic guitar amplification back in 1992. Today AER are known for producing the best acoustic guitar amplifiers in the world. When we think of acoustic guitar, we tend to think of Tommy Emanuel. Tommy has established himself as one of the finest acoustic players on the planet, second to none in technique and playing style. It comes as no surprise that Tommy uses AER amps to achieve his now legendary stage sound. constructed from the best hand selected components and assembled with German precision.