Huiwei Classic 2.0 Bluetooth Speaker: This is a very popular 2.0 channel Bluetooth speaker that supports multi-mode input.

Harman Carton Crystal Third Generation Audio: This is a very high-end 2.0 channel desktop computer speaker with a transparent appearance, featuring independent speakers, touch buttons, 360 stereo technology, and other features.

Overall, the above 2.0 channel computer stereo speakers are all very good choices, and you can choose according to your preferences and needs.