The Pioneer SP-T22A-LR Dolby Atmos-Enabled Add-On Speakers are a pair of 2.0 channel square-shaped speakers with a black wood finish. They were manufactured in 2017 and have a Dolby Atmos surround sound format. The speakers have banana jack audio inputs and are wired for connectivity. They feature a design and have an impedance of 6 Ohms. The unit quantity is 2 and each speaker weighs 4.0 lbs.