Experience home theater and music as the artist intended with the most award winning high-end subwoofer brand, REL Acoustics. The S5 SHO enriches high-end stereo and theater systems with deliciously sumptuous natural bass, high quality construction, and gorgeous finishes. Features high quality long throw drivers and powerful, reliable amplifiers. Makes music and cinema sound more natural with enhanced spatial resolution. Increases the soundstage depth and imaging for a truly high end experience Perfect for high-end stereo or grand home theater systems. Matches well with high-end systems. Use a single S/5 SHO for rooms 100-400 sq. feet or a Stereo Pair for rooms larger than 400 sq. feet. Longbow Wireless compatible, Front-firing 12" long-throw Continuous CastAlloy cone structure, 12" Down-firing Carbon fibre Passive driver, 550 watt Gen2 Class D amplifier with High Level Neutrik Speakon, Low Level stereo RCA, and .1/LFE RCA inputs, -6dB @ 20 Hz in room frequency response.