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Audio Amplifiers
$104.99 $59.99
1. Tube bile preamplifier, the audio signal input terminal can be connected to the computer, mobile phone, CD, lossless music player and other audio sources.
2. The output terminal can be connected to various digital amplifiers, active multimedia speakers and other audio equipment.
3. With the function of high and low bass adjustment, according to the different parameters of the respective audio equipment, free adjustment to achieve the ideal HiFi sound quality effect.
4.6N3 tube is discontinued. The matched 6N3 tube is brand new or disassembled. All tubes have been tested and shipped randomly.
5. Bluetooth uses QCC3003 Bluetooth 5.0
6. Audio input terminal:
RCA audio input (mobile phone/MP3/computer/CD player, etc. can be used as input)
Wireless Bluetooth input
7. Audio output terminal:
RCA output (can not be directly connected to passive speakers, you need to connect an amplifier and then connect to passive speakers or directly connect to active speakers)
8. Power DC input: 12V 1.5A power adapter
9. Operation mode:
*Power switch
*RCA and Bluetooth switch
*High and bass adjustment, total tone adjustment
10. Approximate size: 98*33*123mm (excluding protruding parts)

1. This product is a pre-amplifier, not a power amplifier. It needs to be connected to a post-amplifier or active speakers. It cannot be directly connected to passive speakers, speakers and headphones.
2. The product can not be used in the car, the car voltage is unstable and will burn.

Package included:
1Pcs 6H3N Tube Amplifier Preamp

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All items in store may take 2 to 5 business days to process.  Please add processing time to your shipping estimate below.

Here is an estimate of the shipping times.  Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times. 


Estimated Shipping Time

United States

10-30 business days

Canada, Europe

15-40 business days

Australia, New Zealand

15-45 business days

Mexico, Central America, South America

20-60 business days 

Middle East (UAE, Saudi Arabia)

20-40 business days


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Aiyima will not be responsible for any Duties, Taxes, or Customs fees under any circumstances.
If the order arrives in your country and...
• The customer refuses to accept the package
• The number of attempts is made in the country of destination to deliver the package.
Aiyima reserves the right to abandon the package(s) and will not be responsible for any refund.

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