ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Philips Micro Hi-Fi System MCM398D/05, Black, 100 W, 2-way, FM, LCD, AC Philips Micro Hi-Fi System MCM398D/05. Product colour: Black. RMS rated power: 100 W, Speaker type: 2-way. Supported radio bands: FM. Display type: LCD. Power source: AC, Input voltage: 220-240 V, Input frequency: 50 Hz