Topping NX1s review: tiny is good - Soundphile Review
Topping NX1s review: tiny is good - Soundphile Review
BOX Techs - Topping Nx1s * First of all, build of Topping Nx1s incredibly solid: in fact it shows the company's attention to detail, as the junctions between the three aluminium pieces
Topping NX1s Review 1 Year later: Best Headphone Amplifier - YouTube
El Hefe HiFi Reviews: Topping NX1s Portable Headphone Amp - Is It Truly Hi Res?