KORG Headphone Amplifier Kit Headphone Amplifier with Nutube DAC and Vacuum Tube Amplifier Black NuTekt HA-S - -

【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 product uses a Japanese plug (Type A or B). A plug adapter may be required depending on your region.

■ Transformer Requirement (Very Important) A transformer is required for safe use.

A plug adapter only changes the plug shape and DOES NOT convert voltage. Using this product without a transformer may cause serious and irreversible damage.

■ Buyer Responsibility As this is high-end audio equipment, the buyer is fully responsible for confirming compatibility with their local voltage (100V / 120V / 220–240V) and usage environment before purchase.

■ No Return / No Refund Policy We do NOT accept returns or refunds for: ・Voltage mismatch (including 120V and 220–240V environments) ・Use without a transformer ・Plug incompatibility ・Damage caused by improper setup or usage

■ Liability We are not responsible for any damage, malfunction, or performance issues caused by improper use or incorrect voltage conditions.

■ Final Notice Please ensure full understanding of the above before purchasing. Use only under the correct voltage environment. A high-quality portable headphone amplifier equipped with Nutube technology. Available in a limited edition color exclusive to Japan. The NFB (negative feedback) switch allows you to switch between a clean, clear sound and a warm, tube-like sound. Two types of operational amplifiers are included and can be easily swapped using the IC socket. A circuit diagram is also included. Output impedance: 10Ω, recommended load: 15Ω or higher Power source: 2 x AA alkaline batteries (not included) Battery life: Approximately 9 hours (when using alkaline batteries)