Yamaha NS-SW100 Active Subwoofer: This is a 2.0 channel stereo subwoofer with a built-in 10 inch bass unit. It supports multiple input ports such as Bluetooth, fiber optic, coaxial, and line, and can connect multiple devices. In addition, it also has an inverted design, which can present a clearer and deeper bass effect.

KEF LSX Active Speaker: This is a 2.0 channel stereo subwoofer with built-in 6.5-inch mid to low frequency units and 1-inch diameter high-frequency units. It supports multiple input ports such as Bluetooth, fiber optic, coaxial, line, and USB, and can connect multiple devices. At the same time, it also features high and low frequency automatic equalizer technology, which can present a more natural and balanced sound quality effect.

The above several wired stereo subwoofers are all very good choices, you can choose according to your preferences and needs.