I am selling this in like new condition. Very well maintained. Surround sound system. Receiver made by Denon AVR-2113CI 7.1 Channel 4K & 3D Pass Through, Networking Home Theater Receiver with AirPlay Surround Speakers made by Polk Audio Polk Audio Blackstone TL Product Polk Audio - TL 1600 - 6-Piece Home Theater System Center Channel Qty Included 1 Orientation Horizontal Height x Width x Depth 4" (10.16 cm) x 15" (38.1 cm) x 3.5" (8.89 cm) Weight 3.35 lbs (1.52 kg) Front Array Driver Complement (2) 2.5" (6.35 cm) d (Round) - Midrange (1) 0.5" (1.27 cm) d (Round) - Tweeter Audio Quality Total Frequency Response 40 Hz → 22 Hz Lower and Upper -3dB Limits 45 Hz → 20 Hz External Amplifer Peak Power Handling 100 watts Recommended Amplifier Power Per Channel 10 watts → 100 watts Inputs Audio Inputs Ethernet Yes Speaker Inputs (1) 5-way Binding Posts - Plastic Caps Satellites Qty Included 4 Orientation Vertical Height x Width x Depth 6.5" (16.51 cm) x 3.75" (9.53 cm) x 4.875" (12.38 cm) Weight 1.85 lbs (0.84 kg) Driver Enclosure Type Non-Resonant Composite w/Time-Aligned Geometry And Aperiodic Tuned Port Driver Complement (1) 2.5" (6.35 cm) d (Round) - Midrange (1) 0.5" (1.27 cm) d (Round) - Tweeter Audio Quality Total Frequency Response 40 Hz → 22 Hz Lower and Upper -3dB Limits 45 Hz → 20 Hz Subwoofer Orientation Vertical Height x Width x Depth 13.875" (35.24 cm) x 12.5" (31.75 cm) x 12.5" (31.75 cm) Weight 20.5 lbs (9.3 kg) Subwoofer Array Driver Enclosure Type Downward Firing Vented Port Subwoofer Array Driver Complement (1) 8" (20.32 cm) d (Round) - Subwoofer Audio Quality Total Frequency Response 40 Hz → 22 Hz Lower and Upper -3dB Limits 45 Hz → 22 Hz Inputs Audio Inputs Ethernet Yes Speaker Inputs (1) 5-way Binding Posts - Plastic Caps