Send audio signals from a powered subwoofer to an A/V receiver or amplifier with this subwoofer cable that is compatible with most surround sound systems for flexible use.

Build your home cinema system around this Onkyo 5.1-channel A/V receiver. It includes audio decoders that translate 5.1 sound for the perfect listening experience, and discrete amps ensure completely accurate audio control. Upconvert your video using HDMI, or use the integrated Bluetooth to stream to this Onkyo 5.1-channel A/V receiver directly from your smartphone.

Add deep, low-frequency bass impact to your movies and music with Polk's PSW108. This subwoofer is powered by a high-current amplifier producing 50 watts RMS/100 watts clean, dynamic power for loud bass and a wide dynamic range necessary to recreate a life-like home theater experience. Features front-firing 10" composite polymer cone driver that adds depth to your audio tracks and provides more bass impact for your sound system. The cabinet is constructed from non-resonant MDF with internal bracing for superior bass clarity and accuracy. Features flexible inputs and controls like power-saver on/auto switch, independent volume control and a toggle phase switch on the back panel for a cohesive unit. Place the subwoofer on the same side of the room as your system's front speakers for the best performance

Built to bring the big surround sound theater and music experience into the comfort of your living room, the Polk Signature S15 compact bookshelf speaker continues in the Polk tradition of American HiFi. Featuring Hi-Res certification, a new Dynamic Balance designed acoustic array, precision cross-overs, an anti-diffraction grille, modern cabinet styling and exclusive PowerPort technology, it delivers rich, clean, full-range sound in a totally re-imagined design. Supports latest hi-resolution audio files, plus Dolby & DTS surround technologies that ensure realistic reproduction of vocals and instruments. With patented PowerPort technology S15 delivers 3dB more bass response than a traditional ported speaker for your TV shows movies & music, while minimizing distortion. S15 speakers are timbre-matched to other Polk Audio floorstanding speakers, center channels & bookshelf speakers for seamless speaker-to-speaker blending effects in multi-channel systems. They can be used as front and/or surround speakers in a home theater setup, or work perfectly in a simple stereo system.