
A nice assortment of popular and even some not-so-popular op-amps. They are neatly organized and labeled in a sectioned container. No complaints.

10-Pack Double-Sided Copper Clad Laminate PCB Circuit Boards - Perfect For DIY Prototyping!
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Topping D30 High-Resolution Audio Decoder With DSD Support, USB, Coaxial, And Optical Inputs, Xmos Technology, And CS4398 DAC Chip For 24Bit/192Khz Playback
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