Yamaha TSX-112, 30 W, 6 Ω, 10%, 3.5 mm, iPhone, iPhone (1 gen), iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S, iPod, iPod Classic 1, iPod..., AM, FM Yamaha TSX-112. RMS rated power: 30 W, Impedance: 6 Ω, Total Harmonic Distortion (THD): 10%. Headphone connectivity: 3.5 mm. Apple docking compatibility: iPhone, iPhone (1 gen), iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S, iPod, iPod Classic 1, iPod.... Supported radio bands: AM, FM. Display: LCD