Grundig Audiorama 9000, 1.0 channels, 120 W, 50 - 30000 Hz, 4 Ω, Black Grundig Audiorama 9000. Audio output channels: 1.0 channels. RMS rated power: 120 W, Frequency range: 50 - 30000 Hz, Impedance: 4 Ω. Product color: Black