S.M.S.L H400 MK2 Hi-Res Fully Balanced Headphone Amplifier&Hi-End preamp, GaN Power Supply, 18W/32Ω, Hi-Fi Audio, 4.4mm Balanced / 6.35mm Output, 3 Gears Gain Control, Built-in Hi-End Preamp(Black)

S.M.S.L H400 MK2 Hi-Res Fully Balanced Headphone Amplifier&Hi-End preamp, GaN Power Supply, 18W/32Ω, Hi-Fi Audio, 4.4mm Balanced / 6.35mm Output, 3 Gears Gain Control, Built-in Hi-End Preamp(Black)

• Custom Low-Noise GaN Power & Fully Balanced Design: Delivers clean, stable power with high conversion efficiency and low heat. The fully balanced discrete architecture eliminates common-mode interference, ensuring punchy bass and excellent transient response across all music genres.
• 14× OPA1612A Op-Amps, Ultra-Low Distortion: Equipped with 14 high-performance OPA1612A op-amps in parallel for a lower noise floor and wider dynamic range. Boasts an ultra-low THD+N of 0.00006% and 132dB SNR to reproduce every subtle musical detail with pristine clarity.
• 3 Selectable Gain Levels, Wide Headphone Compatibility: Features 3 switchable gain settings for all headphone types. Low gain is tuned for high-sensitivity IEMs with zero background noise, while medium/high gain easily drives 16Ω–600Ω full-size flagship headphones.
• Premium Build with Comprehensive Safety Protection:Built with high-precision low-temperature-drift resistors and pop-free relays for consistent performance. Integrated DC, over-voltage and overload protection safeguards your headphones and ensures long-term reliable operation.
• Hi-End Preamplifier & Convenient Desktop Control: Functions as both a high-performance headphone amplifier and a Hi-End preamplifier. It includes a tempered glass IPS color display, an ultra-compact desktop chassis, and a full-function remote for hassle-free operation.