New Upgraded Aiyima A3 Pro Ge5654 Tube Preamplifier Bluetooth 5.0 with Treble Bass Adjustment Dc12v HiFi Audio Preamp for Home Audio Amplifier

Brand: AOSHIKE Color: Black+BT 5.0 Features: This Bluetooth 5.0 Vacuum tube preampWith Bass and trebleSound quanlity really goodLet 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 detailsWith DC12V/1A power supplyDo not use a power supply exceeding 12V Upgraded using the GE5654 tubes design for easy replacementDesigned so the tube can be replaced soft voice. – The tube can be replaced with 6J1/6J2/6K4/GE5654/6AK5/61n Build quality is surprisingly solidNice touch! The 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 Binding: Electronics model number: TUBE-A3 Pro Part Number: TUBE-A3 Pro Details: 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-20k – Hz SNR:98d – B Control:Potentiometer knob and toggle switch Treble adjustment range:6d – B Bass adjustment range:10d – B 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 1Pcs Power Supply EAN: 0749789527314 Package Dimensions: 10.2 x 8.5 x 2.5 inches