【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.
[All-in-one Desktop HiFi DAC/Headphone Amplifier/Preamplifier] Featuring a high-quality chipset and proprietary fully balanced circuitry, it achieves low noise and low distortion. Ideal for HiFi headphones and active speakers, it's the ultimate desktop audio solution.
【Exceptional Sound Quality】Equipped with a high-performance chipset featuring an AKM4493SEQ DAC, XMOS XU316 processor, and four OPA1612 amplifiers, it supports up to PCM 768kHz/32bit and DSD512. A proprietary dual-power supply balanced amplifier circuit combines multiple ultra-low-noise LDOs and capacitors to reduce noise levels to 1.9μV.
【High Output Performance】Equipped with 6.35mm single-ended output (640mW@32Ω ×2) and 4.4mm balanced output (2570mW@32Ω ×2). With 3-stage gain switching, it supports headphones from 16Ω to 300Ω, making it ideal for a wide range of headphones from in-ear to over-ear.
【Versatile and Flexible】With coaxial, optical digital, USB, and RCA inputs, as well as 4.4mm, 6.35mm, RCA, and XLR outputs, it can connect to a wide range of audio sources and devices. It functions as a DAC/amplifier/preamplifier for desktop HiFi. UAC mode switching ensures high compatibility with game consoles, not just for music but also for gaming.
【Extensive Customization】With bass/treble EQ adjustments, six types of filters (including bypass mode), and two replaceable operational amplifiers, you can tune the sound to your liking. All functions are integrated into the display, and it boasts a clean, premium look that inherits the design language of the Z series.
Fosi Audio ZH3 DAC Headphone Amplifier Fully Balanced Preamplifier with AKM4493SEQ and XMOS XU316, PCM 768kHz Compatible, Power Amplifier Type, USB/Optical Digital/Coaxial/RCA/12V Trigger Input, XLR/RCA/4.4mm/6.35mm Output, Remote Control Included, Japanese Manual