I have 4 speakers from A9. Purchase price 8000 two years ago. Working and in good condition. Without subwoofer. A premium wireless home theater system, featuring four elegant wall-mountable speakers and a compact control box. It utilizes 360 Spatial Sound Mapping technology to create up to 12 virtual speakers, delivering an immersive Dolby Atmos/DTS:X audio experience without tangled wires. Key features include automatic sound field optimization, HDMI 2.1 support (4K120/8K).