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Product description:

12AU7, the much-praised tube welcomed by super fans is usedas the preamp.The post-amp uses a high quality transistor toamplify the power, enough to push any higher low impedance headphones or earphones. A  12V adapter is used as the power supply, which greatly reduces the size and  weight of the tube amp. It's very appropriate to use at home or the office. Simply connecting to PC or any other players and you'll get high quality music.
The USB digital receiver chip applies an XMOS U8 chip in asynchronous transmission mode supporting digital audio of 32bit/192kHz and DSD128.The DAC part applies 2 Cirrus Logic chips CS4398.
Supports ASIO, KS and WASAPI modes and greatly reduces the delay and distortion.
Two high quality crystal oscillators are used as the clock power source respectively working in 44.4k and 48k frequency and their multifold sampling rates. The mode is automatically switched by the system guaranteeing that the local clocks do not intervene with each other and are able to work independently.
It applies 12AU7 tubes + transistor BUF structure. The combination creates the audio with both grace and sense of strength.
Power Supply: DC12V/2A
Systems Applicable: Win XP, Win2000/Win7, Win8 and Win10(driver is needed) Apple Mac OS X system (no need to install driver)
Supported Sampling:16-32Bit/44.1-192KHz, DSD64-128
Output Power: 2100mW ( 32Ω Load )
Frequency Response: 10Hz~ 100KHz (±0.5dB)
THD+N: 0.03% (1KHz) 
S/N: 110dB
Suitable Headphone Impedance: 16Ω~600Ω
Weight: 410g
Gain: +17 dB
Size: 140* 80*82mm


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 Shipping Policy

  1. All items will be shipped out within 1~ 3 days after payment except prominent note on the page for pre-sale items. If we cannot, we will let you know new shipping date at once after the payment and cancellation is available if you cannot accept that. 
  2. We ship all items at free charges through Registered Air Mail with a tracking number except you choose others. 
  3. DHL/UPS/EMS  as a faster shipment option with additional charge is available. 
  4. All the parcels will be shipped to the buyer’s address provided in the order. If you change the shipping address, it's better to cancel the order and place a new order with new shipping address for your security. 
  5. Taxes may apply by some country law. Hifigo will be not responsible for the import tax. But we could declare item at a reasonable lower cost if you wish. If the declared value isn't accepted by your Custom finally, you have to pay the extra tax. 

Delivery Lead-Time for Express Service

If you chose Express service with extra charges which is US$20-25 usually, it will be shipped out by DHL or EMS (eg. 3-5days to the US or Europe, 3-4 days to Japan, 5-7days to Russia by EMS etc.)  Pls note: There will be additional charges around US$ 35 for remote area. If you are not sure about whether your area is remote, write us for promopt reply.   

Delivery Lead-Time for Free shipping 

North America

United States/Mexico/Canada: 5 - 12 days ( Dispatch by USPS usually ) 
Elsewhere of North America: 10 - 20 days 


Tailand:5 - 8 days
Japan:5 - 8 days ( Dispatch by Sagawa , usually you will get it in 2days after you could track it) 
Malaysia:5 - 8 days 
Korea: 4 - 7 days
Elsewhere of Asia: 10- 20 days


Germany: 5 - 8 days
UK:5 - 8 days
France:5 - 8 days 
Ukraine:5 - 8 days 
Italy main cities : 10-14 days 
Elsewhere of European countries: 8 -17 days
Russia major cities: 10 -14 days ( 5-7days if by EMS ) 
Elsewhere of Russia: 15-30 days


Australia:7 - 9 days
Elsewhere of Oceania: 10 - 20 days


14-35 days  

South America

Peru major cities:14-16 days 
Elsewhere of South America 14-35 days

Note: There may be exceptions to the delivery times presented here, depending on your location. Sometimes it delays due to the customs check or festival.

Tracking FAQ

Q: When will you ship out the cargoes after payment?

A: Within 1 - 3 days except prominent note on the page for pre-sale items. If we cannot ship out in 1~ 3 days, we will let you know new shipping date at once and cancellation is available if you cannot accept that. 

Q: I got a shipping confirmation and tracking number. Why don’t I have tracking information listed immediately?

A: Since shipping process involves multiple steps of coordination between internal and external parties, it doesn’t happen instantly. Usually tracking information will be listed on the next day of shipping confirm notification email/SMS.  

Q: Why tracking information is not updated for a long time? 

A: Usually it is on the way to your local country, pls be patient. If it is not updated a few days after arriving in your country, pls try to contact us or the carrier for additional information. 

Any other questions, feel free to contact us