TOPPING A90 Discrete HiFi Headphone Amplifier（Used-Like New）

This product is a used product(Very good -like new), not a brand new one . 

1.(Orders placed in the United States can be shipped from our US warehouse..)

2.(Orders from countries outside the United States will be shipped from China. All costs are included in the price. Shipping time is 7-15 days.)

【Fully Discrete NFCA Technology for Superior Sound】
【2 Gain Settings for Versatile Headphone Compatibility】
【Ground Loop Noise Terminator】
【Dual Function: Headphone Amp and Preamp】
【Expanded Input Options with Ext90】
【Precision R2R Volume Control】
【Volume Memory Function for Convenience】