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The AC-40 acoustic amplifier is developed on the basis of the popular AC-20. While maintaining the high sound quality, it is more powerful, more portable thanks to its integrated battery and therefore an excellent choice for outdoor performance. Its power of 40W (RMS) can easily meet the requirements for small shows and can be used up to 3 hours in a row at full charge. Based on the AC-20's DSP circuit, it offers the same sonic clarity and will undoubtedly meet your amplification demands.