Fiio A1 headphone amp drops to $22

The portable and compact Fiio A1 headphone amp, in the silver color scheme, is on sale for $22 (instead of its usual price of $27) at Amazon by Amazon actual. Limit up to three of them per customer at the sale price. It averages 3.7 out of 5 based on 210 customer reviews and it has 90+ answered questions.