Philips HTB5141K 3D Blu-ray Soundbar Home theater. Subwoofer type: Wireless subwoofer, Subwoofer frequency range: 20 - 150 Hz, Subwoofer impedance: 3 Ом. Power consumption (standby): 0.5 W. Subwoofer weight: 7.2 kg. Package weight: 14.9 kg