AIYIMA Tube T2 6J1 Tube Preamplifier Bluetooth 5.0 HiFi Vacuum Tube Preamp with Treble & Bass Adjust Audio Preamp for Home Audio Amplifier Theater System+DC 12V Power Adapter(Silver)
Brand: AOSHIKE
Color: Silver+Bluetooth 5.0

Parameters
Power supply: DC12V 1.5A
Audio input: Bluetooth/ AUX (connected to MP3, computer CD, DVD, mobile phone, etc. )
Audio output: RCA (connected to amplifier, active speaker)
Frequency Response:20Hz-20kHz
SNR:98dB
Control:Potentiometer knob and toggle switch
Treble adjustment range:±6dB
Bass adjustment range:±10dB
Size (L*W*H): 137*104*41MM (without tube height)
With treble and bass adjustment
Color: Black with Bluetooth 5.0/ Silver with Bluetooth 5.0 1. Using original 6J1 Tube, Bluetooth 5.0 version
2. The main filter capacitor is imported from 1000UF/25V, and the coupling capacitor is imported with 1UF Philips capacitor.
3. The resistor uses a five-ring 1% metal resistor to ensure a good signal-to-noise ratio.
4. The PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and the whole process of tin-spraying ensures the good passing performance of the current. First-class PCB quality.
5. The output is made of gold-plated RCA lotus seat, which is durable and beautiful!
6. The board layout is reasonable, beautiful, and the current is small.
Attention :
The product is a preamplifier. It is not audio amplifier. It needs to be connected to an active speaker and a rear amplifier.
Package included:
1Pcs 6J1 Tube Preamplifier

AUX / Bluetooth Audio input Manual switch mode,Use DC12V/1.5A power supply(Do not use a power supply exceeding 12V)
This is Bluetooth 5.0 tube preamp,With Bass and treble,Sound great,Satisfies your need for more sound quality! Great Warm Smooth Sounding! Let you enjoy sweet and warm sound quality
Using the classical tube 6j1 design for easy replacement,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!The power circuit is completely separate from the audio circuit, Minimizing interference for clear sound
NOTE:This is a preamplifier,not a power amplifier or phono preamp, can't be used for turntables.(More technical support and help,pls ask me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5# .Or leave any of your instant messaging account and I'll contact you!)