Klipsch R-620F and Onkyo TX-NR686 5.1 Surround System 1 x Onkyo TX-NR686 AV Receiver. 1 x Pair R-51M Bookshelf Speakers: 1" Aluminum LTS tweeters, 90 × 90 Square Tractrix Horns, Dual 5.25" Spun-Copper IMG Woofers 1 x R-52C Centre Speaker: 1" Aluminum LTS tweeter, 90 × 90 Square Tractrix Horn, Dual 5.25" Spun-Copper IMG Woofers 1 x R-620F Floorstanders: 1" Aluminum LTS tweeter, 90 × 90 Square Tractrix Horn, Dual 6.5" Spun-Copper IMG Woofers, Bass-Reflex via Rear-Firing Tractrix ports. 1 x R-120SW Subwoofer: 12" Front-Firing Spun-Copper IMG Woofer, All-Digital Amplifier with 400 Watts Peak Power, Volume, Low Pass Crossover and Phase Control, Line Level/LFE RCA Inputs for Maximum Receiver Compatibility. - No Warranty on Drivers/Woofers & Compression Drivers/Tweeters. - Power conditioner or surge protection plug recommended. Note: NO cables included. - Warranty Does Not Include Lightning and Power surge What's in the box 1 x Onkyo TX-NR686 & 5.1 Klipsch Speaker Package