Amazing 400-watt Acoustic Combo Amp from Hughes & Kettner 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 percussive playing styles, as well as double basses and acoustic basses. It also pairs beautifully with external music devices and drum machines. The era 2 is also a full-range PA system with two fully loaded channels — 1 and 2 — that can be tailored to voice and instrument for stellar live performance. In addition, Channel 3 can be used for external devices like smartphones and MP3 players, while