Vacuum Tube Amplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp With Treble B Tone Adjustment-no power plug

Product descrtion:

The productis a . It is not audio amplifier.It needs to be connected to an active speaker and a rear amplifier.

Product parameters:

Power supply: DC12V 2A Audio input: Bluetooth/ AUX ( connected to MP3, computer CD, DVD, mobile phone, etc. ) Audio output: RCA (connected to amplifier, active speaker and other signal input) Frequency Response:20Hz-20kHz SNR:ge98dB Control:Potentiometer knob and toggle switch Treble adjustment range:plusmn6dB Ba adjustment range: plusmn10dB Size (L*W*H): 137*104*41MM (without tube height) With treble and ba adjustment Specifications: Bla with Bluetooth 5.0/ Sier with Bluetooth 5.0 Feature: 1. Using Vacuum Tube , Bluetooth 5.0 version 2. The main filter is from 1000UF/25V, and the coupling is with 1UF Phils . 3. The uses a five-ring 1% metal to ensure a good signal-to-noise ratio. 4. The adopts 1.6mm thi double-sided sheet, 2.0 oz copper thine, and the whole proce of tin-spraying ensures the good paing performance of the current. First-cla 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. Note: 1. The product is a , not a power amplifier. It should be used with a post-amplifier or an active speaker. It is not allowed to directly connect paive speakers, speakers and earphones to the power amplifier; if it is not used, the car will be burnt if the voltage is unstable. 2, The general audio line or power supply filtering is not good, the probability of the bottom noise current is very large, it is recommended to use a good audio cable or power supply. 3. Make sure that there is no problem with your own audio source. The has its own function. If the audio source itself has noise, then the will only amplify its noise. Please use a good sound source test. 4. Che if the tube is plugged into the base. Please insert the tube and the base. Be sure to insert the tube in case of power fai.

Paage included:

1*Tube

About shping
Shping and Pa All it will be double cheed and well paed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the paage to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedba, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at cheout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbaYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedba for the transaction.