【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.
【High Performance】The BOX X5 phono preamplifier supports both MM and MC cartridges, features four gain settings and excellent RIAA equalization, and when combined with a turntable, delivers a clean and direct signal passthrough.
[Audiophile-Grade Components] This preamplifier uses a variety of high-quality materials, including 2% precision polyester film capacitors, green-sleeve copper lead audio capacitors, 0.1% high-precision film resistors, OPA1612 op-amps, and gold-plated RCA jacks. It picks up on the subtle and finite details produced by these components, delivering a truly warm and captivating sound.
[Multiple Gain Settings] With four gain adjustment settings of 38/48/56/66dB, the preamplifier supports both MM and MC cartridge types, meeting a variety of needs. This enhances the phono stage and helps recreate vintage stereo sound.
【Minimalist and Exquisite】Featuring a minimalist yet functional design with an all-aluminum alloy chassis, the BOX X5, when paired with the V3 stereo amplifier, delivers the best sound quality for record playback, improving frequency response and dynamic performance.
【User-Friendly Design】It features an easy-to-use one-touch power button, gain control, and a convenient toggle switch for switching between MC and MM cartridges. Furthermore, a grounding port ensures a secure connection.
*【Caution】: The power supply included with the BOX X5 is AC 16V output, not DC output. Do not use this power supply with other products. Also, we do not recommend connecting the power supply of other products to the BOX X5. Doing so may cause equipment or power supply malfunction.
Fosi Audio BOX X5 Preamplifier for Turntables, Home Audio Preamplifier, MM & MC Cartridge Compatible, for Turntables/Phonographs/Record Players/Active Speakers, 4-Stage Adjustable Gain (38/48/56/66 dB), with RCA Connectors