ESP32 Development Board Wireless WiFi +Bluetooth-compatible Dual Core CP2104 Filters Module 2.4GHz RF ESP32 High Quality
39.69 27.22 $
ID: 40437
Quantity
MP3 Decoder Board Power amplifier Board Audio Power Amplifier Sound Broadcasting Module MP3 Playback Board
0.0 ( votes) | 4 orders
Price:
US $
25.86
/ piece
9-way low-level or high-level trigger playback
A、Product characteristics
1、Sound formation：MP3/WAV; 2、It comes with 8M bytes of memory, the transfer speed is fast, and it can store 8 minutes of audio files; 3、No need to install PC software, no need to use downloader, USB cable directly connected to the computer can copy voice content, simple and convenient; 4、Support 9-way one-to-one control； 5、Support IO combined playback, support up to 45 segments of voice； 6、Compatible with high or low level triggers for a wide range of applications； 7、24-bit DAC output,Ensure the fidelity of voice messages； 8、Various playback modes can be set freely, such as "power-on circular playback" and "trigger playback" which can interrupt or not interrupt, and can be applied in a wide range; 9、Support DC 6-35V wide voltage input, use switching power supply to reduce voltage, low power consumption； 10、The product comes with 10W power amplifier output,it is good sound quality and large sound.Besides it has self-adjustable potentiometer, freely adjustable volume, suitable for all occasions. 11、It comes with 3.5W of audio output and externally amplifiers or speakers can be connected.； 12、Support externally alarm light (12V) to be connected, the warning light will flash while the sound is playing(Extended function, additional device must be required). 13、Support external infrared sensor module, infrared radiation module, voice control module, microwave radar sensor module, etc.,to control playback voice.(Extended function, additional device must be required)； 14、Support wireless remote control to play voice(Extended function, additional device must be required)； 15、Designed according to industrial standards, it has strong anti-interference ability.
B、Electrical parameters
1、Working voltage：DC 6～35V 2、Output power：10W/8Ω 3、Audio format：MP3、WAV 4、Standby current：15MA 5、Maximum operating current：1000MA 6、Working temperature：-40～+85℃(Industrial standard) 7、Working moisture：10%～90%
C.Application field
1、Car safety voice broadcast; 2、Road transportation inspection and voice prompts of toll stations; 3、The railway station, bus station, airport security check voice prompts; 4、Voice prompts for power, communication and financial business halls; 5、The vehicle enters and exits the channel to verify the voice prompt; 6、Multi-way voice warning or device operation guide voice prompts; 7、Access control voice prompts; 8、Mechanical and electrical equipment fault voice alarm; 9、Fire alarm alarm prompts; 10、Automatic broadcast equipment, timed broadcast, etc.
D.Product illustration and port description
1、Power input：DC 6 ~ 35V wide voltage； 2、Horn port：10W/8Ω； 3、Control line terminal：9-way switch trigger, high-level or low-level trigger； 4、Audio output：externally amplifiers or speakers can be connected； 5、Volume adjustment：Rotate the potentiometer to control the volume adjustment, turn clockwise to increase the volume； 6、USB port：Universal android data cable is connected to the computer, pop up the USB flash drive, and update the sound directly； 7、Power prompt light（red）：When the power is turned on, the red indicator light will remain on.； 8、Work indicator（blue）：The green indicator light stays on when playing audio； 9、UART port：Standard serial port, 3.3V TTL level, 9600 baud rate（Standard version does not have this function, serial version only has this function.） 10、Expanding the interface of wireless receiving module, matching company's special remote controller can play voice, music selection, volume adjustment and so on through wireless remote control.（Extended function, standard version without remote control）； 11、Infrared module：External infrared sensor module, DC 5V power supply； 12、Police light port：An external 12V warning light can be connected, and the warning light flashes while the sound is playing； 13、IO combined playback port, through combined playback, up to 45 voice segments are supported. Description: If there are functions that need not be used, the interface can be disconnected.
Composite Play Port Description
This product supports any two IO ports to trigger each other and play the corresponding voice content in combination as shown in the table below：
E、Update Voice Description
I.Speech Play Mode Configuration Instructions
If voice playback mode is not configured, the default is "pulse repeatable" mode. Other playback modes can be configured through the software provided by our company, as shown in the following figure:
After configuring each IO port, after point generation, a config.txt file is automatically generated in the directory where the software is located, and then the config.txt file is copied to the memory.
Note: IO eloquence needed to be configured. The software automatically defaults to "pulse repeatability" without the need for direct blanking.
Product illustration（UNIT：mm）
- Package: Yes
- Dimensions (WxHxD)): 5*5*1mm
- Weight: 0.05
- Model Number: JRF930
- Compatible Audio & Video Equipment Style: Speakers,Digital-to-Analog Converter (DAC),Amplifier
- Type: AUDIO
- Origin: Mainland China
- Name: MP3 decoder board
- Standard Version: high and low level trigger
- Working voltage: DC 6~35V
- Output power: 10W/8Ω
- Packing: Bag Etc
SHIPPING AND DELIVERY
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
|---|---|
| United States | 10-30 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Central & South America | 15-30 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
REFUNDS & RETURNS POLICY
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of cntronic.com
*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
LARGE ORDER DEALS
Thank you for your interest doing business with us!
If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.
