Experience home theater and music as the artist intended with the most award winning high-end subwoofer brand, REL Acoustics. The T5i enriches modest 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 stereo or home theater systems. Matches well with modest systems and small to large sized rooms. Use a single T5i for rooms 100-400 sq. feet or a Stereo Pair for rooms 400-600 sq. feet Arrow Wireless compatible, Closed Box, down-firing 8" long-throw steel chassis driver, 125 watt Class A/B amplifier with High Level Neutrik Speakon, Low Level single RCA, and .1/LFE RCA inputs, -6dB @ 32Hz in room frequency response.