The latest upgrade: LM317 low ripple voltage regulator circuit design preamplifier were used in a fever-class op amp OP275 Power input bridge reactor can be AC and DC DC input can be divided into positive and negative so more convenient to use Dynamic microphone electret microphone universal a broader purpose JP1 JP2 Select the type of microphone for setting the pin: JP1 JP2 all the way jumper plug is the working mode of the electret microphone jumper cap plug is dynamic microphone mode of operation.
Microphone reverberation chip using PT2399 microphone amplification preamplifier respectively using a fever class op amp OP275 microphone board two microphone volume can be independently controlled. Dynamic microphone electret microphone can be universal. Board has MIC-1 volume MIC-2 volume reverberation times reverb external audio volume adjustment. Working voltage: AC: 6v-17v or DC: 12v-24v Colour:Red Material:plastic Size:100x50mm
Package Contents: 1 * Audio Amplifier Board
Only the above package content other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. About Us We provide the good product with the best pricewe support Wholesale/Drop Shipping Order 1. For Drop Shipping order please remark"dropshipping order" we will prioritize it. 2. For Wholesale/Drop Shipping orders if you have any ideas about the price or packageplease contact us in advancewe will give you the best service to satisfy your demands. About Shipments 1.We will send out the orders ASAP once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip code especially please confirm your full name. About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customers. If there is any question about the orderplease contact us in advance we will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem. 2. If you have any problem or are not entirely satisfied with your packageplease don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you. 3. If there is no problem please leave us five star positive feedback. Your affirmation is our greatest motivation ! ! !
Specifications
Key Features
Durable and good quality
Audio Amplifier Board
Amplifier Board Module
Microphone Amplifier Board
PT2399
Karaoke Plate Reverb Preamplifier
The details are as described above
What’s in the box
1 * Audio Amplifier Board
Specifications
SKU: GE840EA5D9I79NAFAMZ
Model: Audio Amplifier Board
Production Country: China
Size (L x W x H cm): 21x12x5
Weight (kg): 0.178
Main Material: plastic
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DC 12V 24V PT2399 Digital Microphone Audio Amplifier Board Karaoke Pl