Philips Soundbar Home theater HSB4383/98, 300 W, 32 - 256 Kbit/s, FM, 6 Ω, 2.54 cm (1"), 35 - 200 Hz Philips Soundbar Home theater HSB4383/98. RMS rated power: 300 W, MP3 bit rates: 32 - 256 Kbit/s. Supported radio bands: FM. Satellite speaker impedance: 6 Ω. Subwoofer driver diameter (imperial): 2.54 cm (1"), Subwoofer frequency range: 35 - 200 Hz, Subwoofer impedance: 4 Ω. Package width: 565 mm, Package depth: 350 mm, Package height: 395 mm