Product: [2021 Upgrade] AIYIMA Tube T7 Audio 6N3 Tube Preamp Bluetooth 5.0 Warm Vacuum Buffer Preamplifier with Treble Bass Tone for Home Theater System
Brand: AIYIMA
Features:
 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:
 1).RCA audio input (mobile phone/MP3/computer/CD player, etc. can be used as input)
 2).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:
 1). Power switch
 2). RCA and Bluetooth switch
 3). High and bass adjustment, total tone adjustment
 10. Approximate size: 98*33*123mm (excluding protruding parts)
 Note:
 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:
 1Pc 6N3 Tube Amplifier Preamp
 1Pc DC12V 1.5A Power Adapter

RCA/Bluetooth Audio input Manual switch mode, With DC12V/1.5 A power supply(Do not use a power supply exceeding 12V)
RCA input to the computer, CD, phone, iPod and other player and RCA output to the digital amplifiers, active multimedia audio devices for lossless audio(The RCA cables not included)
With treble and bass adjustment,Using tube 6N3 design for easy replacement(6N3,6H3,396A,2C51,12B4A,GE5670,6H3n-E),soft voice.Adopt the Dual run amplifier chip NE5532P power conversion module
All aluminum alloy shell,heavy gold PCB,Build quality is surprisingly solid,Nice touch!With optimal integrated circuit to get powerful, dynamic and sweet sound
This product is a preamplifier,not a power amplifier or phono preamp, can't be used for turntables or passive speakers.It needs to be connected to an Powered speaker and a rear amplifier(Can offer technical support and warranty service!Pls Ask Me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5# .thanks!)

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