Philips HTS5590 3D Angled Speakers 3D Blu-ray 5.1 Home theater. RMS rated power: 1000 W, Signal-to-Noise Ratio (SNR): 65 dB, Audio formats supported: MP3 WMA PCM. Supported radio bands: FM. Center speaker frequency range: 150 - 20000 Hz, Center speaker impedance: 3 Ом. Satellite speaker frequency range: 150 - 20000 Hz, Satellite speaker impedance: 4 Ом. Subwoofer type: Passive, Subwoofer frequency range: 40 - 150 Hz, Subwoofer impedance: 3 Ом