Velex Waterproof Marine Bluetooth Amplifier with USB AUX Audio Streaming Music Smart

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Item Type
Model Name
Brand Name
Special Features
Bluetooth, Wired Remote Control
Color Name
Signal To Noise Ratio
Item Weight
Audio Sensitivity
0.775V 0dB~1.55V+6dB
Item Size
4.45(O) x 3.5 (H) inch
Frequency Range (Hz)
4 Ohm
Audio Encoding
Out Power
4 x 45w
Material Type
Cast Aluminum

The VX502 Marine Bluetooth Amplifier delivers the weather-resistant, superior sound quality, while allowing users to enjoy their personal music without a head unit through wireless Bluetooth. 
It's perfect for bringing entertainment to motorcycles, hot rods, UTVs, boats, gift carts, farm tractors, snowmobiles, ATVs or even riding lawnmowers. The VX502 is small-footprint and can be easily hidden, it pairs with any Bluetooth-compatible media device to provide 50 watts of power (25w x 2 at Ohms) to any speaker system in most any vehicle. 
It includes a wired remote that controls device volume and other basic functions, which can be positioned within the driver's reach, mounted onto surface or flush style. 
It boasts powered speaker outputs for adding a pair of speakers, resulting in a complete audio system. 
Further, it also provides line-level outputs and can be used with higher powered amplifiers in a larger system. 
Although it serve as the source unit, VX502 is designed to draw little current and be more efficient. 
RMS Power Rating: 
Compact 4-channel amplifier for car, motorcycle, and boat 
45 watts RMS x 4 at 4 or 2 ohms 
Wireless Bluetooth connection via wired remote controller 
LED power and protect indicators 
Blue-backlight remote is easily mounted 
2 or Mono channel operation 
Preamp RCA outputs to external amps 
3 -way protection circuitry 
Dimension: 3.9" W x 8" L x 2" H

Main Features:

IP67 waterproof

MP3/WMA/FLAC playback

Bluetooth 4.0 Audio Steaming

Smart phone charge 1A 

3 meter wired remote

AUX input   

4 x 45W output 

What's in the package: 

1 x Head unit 

1 x Wired remote

1 x Power loom

4 x Mounting screws

1 x Stainless steel hose clamp

1 x User's manual 

Wired Remote Size:

3-3/16"W x 1-11/16" H

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Velex Tech Ltd. is engaged in the R&D, manufacturing of Marine Stereo and DAB+ receiver.

Our R&D integrates graphic & mechanical design, tooling, PCB layout, programming according to customer’s requirement, for all the marine products, we’ve done extreme water resistant test, thermal test to ensure realiable quality for long standing use in harsh marine environment.
Carefully selected components, advanced SMT machine with X-ray test equipment, AQL 1.0/2.5 quality control level, 4 hours severe aging test, all these production procedure guarantee the robust and stable performance.
For EU market, we also supply marine stereo with DAB+ receiver, with SMB connector and active DAB+ antenna, customer can enjoy digital broadcasting on board.
Velex is now developing long distance bluetooth audio streaming device for special market, the blueotooth reception can go up to 60 meters. Also we are cooperating with customers for media link marine products.
We welcome OEM/ODM customers from all over the world, no matter what obstables may be, our joint effort and hard working will lead to the bright future.


About Shipment
Our Freight Cost include the expense of shipping, handling and high quality packaging.
We are not responsible for undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address.
Items are normally shipped out within 3 days after payment has been verified (Sat. & Sun. excluded.)
If you need to change your address or information, please contact us within 1-2 days after the order submitted.
Import duties, taxes or fees are not included in the fee you pay to us.
The item will be sent via EMS/AliExpress Standard Shipping/DHL/UPS/China Post Air Mail . Please provide detailed address and contact number, they are very important to the courier.
Notice: Orders with freeshipping policy will be shipped through the best available shipping method by our logistics expert.
Have any questions, please feel free to let us know. We will respond to you within 24 hours.
(Excluding weekends and holidays)
Damage or missing components:
Our products are all brand new and inspected carefully before sending out. Please check the package before the courier leaves.
If you receive a broken item or missing part, please keep the original package and email the photos & your contact number to us within 5 days.
If products possibly damage during delivery, customers have to report in 5 days with your contact number and photo showing damage. Meanwhile, it may take about 15 days for the shipping company to investigate the case, thanks for your understanding.
Warranty &Return Policy:
First of all, thank you for purchasing Velex products. To help ensure a satisfactory service and your rights, Velex Technology Ltd. warrants its products against defects (excluding physical damage to the product) in materials and workmanship under normal use for a period of one (1) year from the date of delivery.
Before you send any product to Velex, you must e-mail us, telephone us or fax us a RMA Form you filled. If approved, a RMA number will be e-mailed to you. Customers should deliver the returned products to our appointed service center within 15 days after you receive the RMA number. If returned products (within warranty period) are either stopped production or have difficulty in repairing, Velex will consider a replacement or other solutions, which shall be negotiated by both parties. If the customers are in need of technical support, our professional technicians will reply you at the first time, and provide the necessary technical data and auxiliary solutions. Velex will try our best to provide you the technical supports and relevant services.
About Feedback:
We maintain high standards of excellence and strive for 100% customer satisfaction!Dear buyers After receiving the goods
please evaluate our products.If our products are good,please give us 5 stars and write down your views on our products and services 
If you have any problems with our items or services,please feel free to contact us first before you leave negative feedback.
We will do our best to solve any problems and provide you with best customer services.


Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).