AIYIMA Audio 6J1 Tube Preamplifier Bluetooth 5.0 HiFi Treble & Bass Adjustment Audio Preamplifier DC12V Amplifier Preamp for Home Theater System

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About AIYIMA Audio 6J1 Tube Preamplifier Bluetooth 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:±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 1Pcs Power Supply