EN54-16 and EN54-24 Certificated Voice Evacuation System Class D amplifier for voice alarm system, 120W to 500W per ... system includes power on, overheat, short circuit and overload.Features* Class-D power amplifier for voice evacuation system* 120W, 240W, 350W ... , 5.6A, 8A, 12A DC PowerVoltage24V DC, ±20%Max Current 6.5A, 13A, 18A, 25A, 13A, 26A, 36A, 50A, 19.5A ...