Quality Would you consider this product to be made well? How dependable? Seems well made, not flimsy. Features What do you consider to be the best features of this product? What features would you add to this product if you could? More features than I need, I just need a simple line mixer for keyboard monitoring in my studio. Ease of Use How easy is this product to use? How easy is the product to use with other products? Did it take long for you to learn to use this product? Was the manual helpful? How playable do you consider this product to be? Plug and play. Sound How is the tone? Seems transparent, as a good line mixer should be. I couldn't afford a second Speck X.Sum, this seems perfectly usable with the Speck. Reliability How has it stood up over time? Just got it, can't tell ya. Overall Your general opinion of this product. Lot's of mixer for little $$$!