Onkyo TX-NR696 and Klipsch R-820F 5.1 Surround System 1 x Onkyo TX-NR696 AV Receiver. 1 x Pair R-41SA ATMOS Surround Speakers: Dolby Atmos Overhead Sound Effects, Keyhole Mounting for On-Wall Elevation/Surround Sound Use, 1" Linear Travel Suspension Aluminum Tweeters, 4" Spun-Copper IMG Woofers. The R-41SA can be used as an Atmos speaker on top of a floorstander or as a surround. 1 x R-34C Centre Speaker: 1" Aluminum LTS tweeter, 90×90 Square Tractrix Horn, Quad 3.5" Spun-Copper IMG Woofers, Bass-Reflex via Dual Front-Firing Tractrix Ports. 1 x Pair R-280F Floorstanders: 1" Aluminum LTS tweeter, 90×90 Square Tractrix Horn, Dual 8? 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. What's in the box 1 x Onkyo TX-NR696 & 5.1 Klipsch Speaker Package