Yamaha XDA-QS5400RK Center Speaker deep bass with a 15-inch

deep bass with a 15-inch driver and high-performance amplifier

Fill medium-size rooms with more refined sound from a 7

and detailed highs

The PM 6007 integrated Amplifier is capable of delivering 45 watts  for 8 ohms per channel

Yamaha XDA-QS5400RK Center Speaker deep bass with a 15-inchXDA QS5400RK MusicCast Multi Room Streaming Amplifier (4 Zone, 8 Channel) Specially designed for custom integration of whole home audio systems, the QS (Quad Streamer) provides four zones of audio streaming and eight channels of high performance audio amplification in an ultra slim, 1U high, rack mountable enclosure. Expandable and extremely flexible, the QS works with the MusicCast multi room audio system, allowing it to be linked with home theater