Blue Octave Home DS6 Subwoofer (Black) 6.5" Down firing long throw subwoofer, built-in high efficiency amplifier 250 Watts dynamic power, 125 watts RMS, 32Hz - 260Hz (+/- 1dB) frequency response, 96dB sensitivity High rigidity PVA treated cone with butyl rubber surround, high density MDF cabinet design RCA line level inputs, stereo speaker wire high level inputs Applications include surround sound and home theater