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- RS-4A ~Linear power supply, 13.8V, 4A
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Item #:
11143183
RS-4A ~Linear power supply, 13.8V, 4A
89% of respondents would recommend this to a friend
Item #:
11143183
XCD 499
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Only 4 items left in stock.
Order now and get it around Friday, November 20
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What Stands Out
Stable Voltage
Provides a consistent 13.8V output, ensuring reliable power for sensitive electronics and preventing damage from voltage fluctuations.
High Current Capacity
Delivers up to 4A of current, making it suitable for powering various devices, including amateur radio and automotive applications.
Durable Design
Built with high-quality components, this power supply offers longevity and dependability, enhancing performance and reducing the need for frequent replacements.
Product Details
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | ATX |
| Output Wattage | 4000 watts |
| Form Factor | ATX |
| Wattage | 100 watts |
| Cooling Method | Air |
| Current Rating | 4 A |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| System Bus Connector Type | 20+4 Pin |
| Item Dimensions | 11 x 10 x 8 inches (27.9 x 25.4 x 20.3 cm) |
| Item Weight | 5.7 pounds (2.59 kg) |
| Model Name | RS4A 7774806 |
| Brand | Astron |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Manufacturer | Astron |
| UPC | 701630970229 |
| Model Number | RS-4A |
| Mfr Part Number | RS4A |
| Connector Type | ATX |
| Item dimensions L x W x H | 11 x 10 x 8 inches (27.9 x 25.4 x 20.3 cm) |
Who Should Buy?
-
Amateur Radio Operators
Provides stable voltage and current for powering various radio equipment ensuring optimal performance and reliability.
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Hobbyists and Makers
Ideal for DIY electronics projects requiring regulated power, ensuring safety and efficiency for various components.
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Testing Equipment
Excellent for labs or workshops needing a steady power supply for testing and troubleshooting electronic devices.
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High Power Users
Not suitable for devices requiring more than 4A as it may result in insufficient power and equipment failure.
Product Description
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Customer Questions & Answers
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How to Shop RS-4A ~Linear power supply, 13.8V, 4A Online From Ubuy?
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Is RS-4A ~Linear power supply, 13.8V, 4A Available to Shop Online in Anguilla?
Answer: Yes, at Ubuy Anguilla this product is available for you to shop at a reasonable price. The RS-4A ~Linear power supply, 13.8V, 4A is not available locally but you can trust us with our express shipping services. -
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How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Astron Internal Power Supplies RS-4A Editorial Review
**Editorial Review of the RS-4A Linear Power Supply** The RS-4A Linear Power Supply, offering 13.8V and 4A, has garnered favorable reviews from customers who appreciate its quality and performance, particularly in the realm of audio applications. Users have reported experiencing a notable enhancement in sound quality when switching from their standard wall wart power supplies to the RS-4A, specifically in high-resolution music streaming such as Tidal. This improvement in audio clarity has made it a popular choice among audiophiles looking to enhance their listening experience without breaking the bank. The build quality of the RS-4A has also been praised, with many users describing it as "built like a tank." It features an external voltage regulator mounted on a large heatsink, which eliminates fan noise, thus contributing to a quieter operation. However, potential buyers should be aware that setting the power supply to the correct voltage for their device requires some technical skill. The need to open the case can be daunting for those who are inexperienced with electronics, and it’s recommended to seek professional assistance if unsure. Overall, the RS-4A stands out as a robust and reliable power supply that not only meets functional requirements but also significantly enhances audio performance, making it a worthwhile investment for users needing dependable power solutions. **
Customer Reviews & Ratings
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Pros
- Significant improvement in audio quality for high-resolution streaming.
- High build quality and durability, described as "built like a tank."
- No fan noise due to external voltage regulation.
- Competitive price compared to other high-end audio upgrades.
Cons
- Requires internal setup to match specific DC voltage, which may be complex for inexperienced users.
Platform Trust & Buyer Confidence
MB
Mona
Verified buyer
“Everything was efficient and fast. ”
05 November 2026 · via Trustpilot
MT
Music
Verified buyer
“The prices—including shipping costs and customs duties—are clear from the very beginning, with no hidden fees. I highly recommend using their services. My experience with the "Ubuy" website was excellent. I purchased a PRS USA Swamp Ash Special guitar, and it arrived in just 11 days. The shipping service was fantastic, and the product arrived in perfect condition. What I particularly appreciated about the site is that the prices—including shipping costs and customs duties—are clear from the very beginning, with no hidden fees. I highly recommend using their services.”
05 November 2026 · via Trustpilot
WF
William
Verified buyer
“I can't fault this purchase. Had a scarce part i needed, cheaper than i could source it in the UK, ordered and was followed up with great communication and speedy delivery of a very well packaged part.”
06 November 2026 · via Trustpilot
A
Andrew
Verified buyer
“Fast delivery, good and secure packaging, everything was fine and with no problems.”
06 November, 2026 · via Trustpilot
SM
Stephen
Verified buyer
“I am very happy with my insoles purchase, they make my work boots very comfortable and soft to walk on and even mitigate the vibration from driving the truck all day. I would highly recommend this company for online purchases, reliability of product delivery and value for money.”
07 November 2026 · via Trustpilot
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XCD 499
Order now and get it around Friday, November 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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