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XDUOO

XDUOO MH-02 USB DAC & Tube Headphone Amplifier

XDUOO MH-02 USB DAC & Tube Headphone Amplifier

Regular price $134.00 USD
Regular price $149.00 USD Sale price $134.00 USD
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XDUOO MH-02 USB DAC & Tube Headphone Amplifier

Highlights

  • USB support up to PCM32bit/384KHz and DSD256
  • Adopt double 6J1 tube for pre-amp, making voice sweet and exquisite
  • Adopt transistors for class A buffer, strong output power can easily drive many kinds of earphones

About Tube + Transistor Hybrid Amplifier

Tube amplifier has its unique "tube sound" - sweet, soft, warm, and listenable voice with good musicality and atmosphere. However, its high-frequency transient response and resolving power are not as good as those of transistors, especially when listening to symphonies. "Transistor" has the advantages of large dynamics, high speed, strong resolving power, and strong driving force, especially suitable for songs with large dynamics. However, it is not soft enough, and its high-frequency sound can be sharp and dry. Therefore, combining the front tube amplifier and rear transistor amplifier integrates the advantages of both circuits to achieve ideal sound effects, making you immersed in the happy atmosphere of music.

USB DAC Decoding - Convenient Connection

Support the USB decoding of computer, cellphone (iOS/Android), tablet, HiFi player, and other devices. Supports up to PCM32Bit/384kHz, DSD256, MQA32Bit/384kHz.

CS43131 DAC Chip

The DAC chip uses the CS43131 chip known for its extremely low noise and higher resolution, resulting in superior decoding performance.

Tube Amplifier

Adopt double 6J1 tube for pre-amp making voice sweet and exquisite.

Transistor for Class-A Amplifier

Output power up to 1300mW, can easily drive many kinds of earphones.

Gain Switch

Set the two-gear gain and gently press it to achieve the matching of different impedance headphones, avoiding the phenomenon of excessive or insufficient driving force.

Line Out - Can Be Used as Pre-Amplifier

It has one line output, through the tube, and controlled by volume. It can be used as the Pre-amplifier of all kinds of audio amplifier or active speaker, and improve the sound quality of audio amplifier or active speaker.

High-Grade Audio Capacitors

Adopt the Japanese ELNA capacitance as the coupling capacitance for transparent and sweet sound. Adopt the Japanese RUBYCON capacitance as the main filter capacitance for smooth and warm sound, and splendid high frequency.

Additional Features

  • RCA Port Gold Plated
  • Built-in Protect Circuit
  • Sand Blast Textured Shell with a Simple Appearance

Specifications

  • DAC Chip: CS43131
  • Output Power: Up to 1300mW
  • Gain Switch: Two-gear gain
  • Frequency Response: PCM32Bit/384kHz, DSD256, MQA32Bit/384kHz
  • USB Support: Computer, cellphone (iOS/Android), tablet, HiFi player, and other devices
  • Shell Material: Sand blast textured and hard aluminum alloy

 

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Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

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2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

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3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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