Hughes & Kettner ERA 2Manufacturer Description The Hughes & Kettner era 2, like its predecessor the era 1, is a bold, beautifully designed combo acoustic amplifier that brings 400 watts of natural sounding tone, excellent dynamic response, and impressive headroom to whatever acoustic instrument you use. The increase in wattage on the era 2 means more robust low end coming from two 8" speakers and a single 1" dome tweeter. This speaker setup makes the era 2 ideal for