S.M.S.L H400 Hi-Res Headphone Amplifier Hi-End Preamp Design High Power Output 15W/16Ω 7.5W/32Ω Hi-Fi Audio Fully Balanced 3 Gears Gain Control 4.4mm Balanced/XLR 4Pin/ 6.35mm Unbalanced (Silver)
| Country | USA |
| Manufacturer | R.G. de Rouen LLC |
| Binding | Kindle Edition |
| ReleaseDate | 2022-10-22 |
| Format | Kindle eBook |