[New Upgraded] AIYIMA A3 PRO GE5654 Tube Preamplifier Bluetooth 5.0 with Treble & Bass Adjustment DC12V HiFi Audio Preamp for Home Audio Amplifier System(Black+BT 5.0)

Parameters Power supply: Dc12V 2A (With power supply) 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:A6dB Bass adjustment range:A10dB Size (L*W*H): 137*104*41MM (without tube height) With treble and bass adjustment color: Black with Bluetooth 50 Silver with Bluetooth 50 1 Using gE56554 Tube, Bluetooth 50 version 2 The main filter capacitor is imported from 1000UF25V, 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 16mm thick double-sided sheet, 20 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 gE5654 Tube Preamplifier 1Pcs Power Supply

Features of [New Upgraded] AIYIMA A3 PRO GE5654 Tube Preamplifier Bluetooth 5.0 with Treble & Bass Adjustment DC12V HiFi Audio Preamp for Home Audio Amplifier System(Black+BT 5.0)

This Bluetooth 50 Vacuum tube preamp,With Bass and treble,Sound quanlity really good,Let you enjoy sweet and warm sound quality(Note:cannot be used on a record player and phonographs) AUX Bluetooth Audio input Manual switch mode, See the product description for more details,With Dc12V1A power supply(Do not use a power supply exceeding 12V) Upgraded using the gE5654 tubes design for easy replacement,Designed so the tube can be replaced, soft voiceThe tube can be replaced with 6J16J26K4gE56546AK561n Build quality is surprisingly solid,Nice touchThe power circuit is completely separate from the audio circuit, Minimizing interference for clear sound This AIYIMA TUBE A3 PRO is a preamplifier It is not an audio amplifier It needs to be connected to an powered speaker and a rear amplifier

Specification of [New Upgraded] AIYIMA A3 PRO GE5654 Tube Preamplifier Bluetooth 5.0 with Treble & Bass Adjustment DC12V HiFi Audio Preamp for Home Audio Amplifier System(Black+BT 5.0)

Product Details
Color	Black+BT 5.0
Size	TUBE-A3 Pro
Dimensions	4.69X3.75X1.23
Weight	1.15