Douk Audio Passive Preamplifier Volume Controller HiFi Preamplifier High-Precision (HiFi Version, Black) black

Douk Audio Passive Preamplifier Volume Controller HiFi Preamplifier High-Precision (HiFi Version, Black) black.【Important Notice for International Buyers – Tomoayax Premium Audio Hi-Fi Japan】 ■ Voltage Compatibility This product is designed exclusively for use in Japan (AC 100V, 50/60Hz). Many regions use 120V or 220–240V. Using this product without a proper transformer in such voltage environments may result in malfunction, overheating, or serious and irreversible damage. ■ Plug Type This pr