Usb Mp3 Siren Horn Good Quality DC12V 12V 30W Customization Vehicle

This 30W siren is electric horn speaker. Once connected to power, it can work, easy to use, even play loops of all songs/repeat one(need to configure files if not use remote controller). Many triggering play modes can be extended. 

It is also available to use micro SD card to update sound files. Besides, it can play the audio in SD card, applied in the occasions where need loud voice.

• Support the loading of MP3 audio format, beautiful sound.


• Wireless control, using remote controller to easily control ”play/pause”, “previous/next”, “volume up/down”.


• High or low level triggering way is optional (please contact with salesmen to adjust hardware circuit).


• Through Config file, many kinds of trigger modes can be chose, including pulse or level, interruption or non-interruption, loop playback with power on, previous or next, random, stop etc.


• 5 trigger ports can be set arbitrarily in different triggering ways.


• Built-in SPI memory can support 4Mbit~64Mbit storage capacity. 


• Voice length can reach more than 2000 seconds.


• SPI-FLASH can support max. 3328 kinds of audios.


• With micro SD card, support micro SD card play and offline voice update(with micro SD card it will play voice files of this card; without micro SD card it will play voice file of SPI-flash).


• micro SD card supports FAT and FAT32 file system.


• Maximum audio output can reach 30W.

• Working voltage: DC 12V


• Working current: ≤380mA(INPUT: DC12V)


• Audio power:  30W/8ohm


• FLASH capacity: Standard 16Mbit FLASH( 4~64Mbit is customizable)


• Supporting audio: MP3 format 16Kbps~320Kbps

1. Micro SD card slot: optional micro SD card. Insert micro SD card, available to offline update voice to SPI-FLASH. After power connection it will play micro SD card if this card is in it, or it will play SPI-flash without micro SD card.

2. TG, TG1~TG4: External trigger port. Any trigger port can be set for high or low level trigger by contacting with our company. Triggering mode can be configured through config file for many functions including pulse or level, interruption or non-interruption, loop playback with power on, previous or next, random, stop and so on. (From BUSY to GND, TG trigger port is in the middle, corresponding to the audio of 2~5 port ; TG is corresponding to the first voice. The factory default has 1~4 IO ports for the pulse with interruption, and the fifth IO port is the function of stopping.)

3. Status indicator: often bright when playing audio, shining when copying audio, light out when voice is stopped.

4. Copy button: press this key after power on to adjust the volume; three choice for volume control, cycle control; with power-off memory function; long press this key above 3S to copy the voice file from micro SD card to SPI-flash.(Note that the total audio capacity of micro SD card cannot be greater than the capacity of the flash.)

5. BUSY: A busy signal indicator. Through Config file, select to have high or low output when it is busy.

1) Simple panel, clear at a glance, easy to use.

2) Button functions:

Button 1: stop playing.

Button 2: play the present audio in Flash or micro SD card circularly. During playing, press this button will make the next song loop playback.

Button 3/4: previous one/ next one.

Button 5/6: volume up/volume down, 6-level volume control.

3) Wireless control has strong stability and remote control distance is up to 20m.

According to the size and appearance difference, our company has three types of horn speaker, shown below:

SF-701 10W Horn (Smallest)	SF-700 10W Horn (Middle size)	SF-702  30W Horn (Largest)
Audio files can be changed Support micro SD card	OTP type. Audio files cannot be replaced by yourself. Voice customization	Audio files can be changed Support micro SD card No wireless remote control function
Function can be customized	Function can be customized	Function can be customized

Q1. What is your terms of packing?

A: Generally, we pack our goods in white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters. We'll show you the photos of the products and packages. 

Q2. What is your terms of payment?

A: T/T, Paypal, Western union. 

Q3. What is your terms of delivery?

A: EXW, FOB, CFR, CIF. 

Q4. How about your delivery time?

A: Generally, it will take 2~20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, but customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q8: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit;

   2. We respect every customer and we sincerely do business no matter where they come from.

Shenzhen Waytronic Security Technology Company was founded in 1999, now located in Bao'an District, Shenzhen, a high-tech company specializing in security products.

We supply products to various industries, and mainly serve to voice electronic products, home appliance, precise electronics, automotive and many other mainstream industries.

Our company has a professional R&D and production team with researching and self-developing capability. We uphold the concept of "Positive innovation, Pioneering courage, Customer satisfaction, Team cooperation", and strives to build a well-known brand in security industry.

At present, our company has passed the quality certification of international quality management system ISO9001:2008, quality assurance, and more than 3000 companies in service.