25W Adjustable DC Regulated Linear Power Supply with USB 5V and DC 5V-24V Output

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25W Adjustable DC Regulated Linear Power Supply with USB 5V and DC 5V-24V Output
Item description
Introduction
More and more audio devices are equipped with external power supply like switch power supply or transformer. As we known, power supply plays an important role in affecting the sound quality of audio devices. Switch power supply is efficient with small-size, but the background noise they generate is as several times as the linear power supply and decrease the sound quality. So Douk Audio Studio designs a continuously adjustable linear power supply to improve audio sound quality and for those who love DIY and need different voltage.
Features
①
. 2 Kinds of Output Voltage:
DC 5V-24V, not like other linear power supplies with a fixed voltage on the market, it can be continuously adjusted for those who need different voltage for DIY and debugging, which is a patent design of Douk Audio
USB 5V is suitable for USB devices, and can output 4A current different from other USB power supplies whose output is lower 4A.
②. Actual 25W Output: compared with other so-called 25W linear power supply whose actual output is less than 25W, it can output at 25W stably for a long time.
③. 4-bit Precision Display: unlike other power supply that can only display voltage, the voltage and current value will be shown clearly on its LED display, users can see the actual load of his devices.
④. Universal DC5V-24V Output Binding Posts: we offer 1 DC output cable and 2 cables with alligator clip designed for multi-purpose like connecting whole-machine or DIY debugging.
⑤. Superior protection: with over-temperature, over-current and fuse protection, and good heat dissipation can protect it work at 25W at 50
℃ for a long time.
⑥. High-end Material: using pure copper 40W toroidal transformer, high-quality filter inductance and aluminum shell to guarantee the circuit with stable voltage, small ripple and ultra low noise.
⑦. Adjustable Input Voltage: we design 115V/230V AC which is suitable for global, you can choose proper voltage in different countries.
Douk Audio G1 comparison with Other Linear Power Supply
Douk Audio G1
Other Linear Power Supply
DC 5-24V output Voltage
Adjustable
Fixed
USB Max.Output Current
4A
≤
4A
Max. Output Power
25W stably work for a long time
≤
25W
Output Interface
DC Output and USB
DC Output or USB
Input Voltage
Global
Suitable for some countries
Applicable Objects
DAC, headphone amplifiers, XMOS USB interface, digital pla
yers and other
audio devices.
Set-top boxes, routers, NAS and other digital devices.
Phones, Raspberry Pi and other USB devices.
Parameters
Input Voltage: 115V / 230V AC (
±
10%)
Output Voltage: USB 5V / DC 5V-24V
Output Power: 25W
Maximum output curren
t under common voltage(total power 25W):
5V@4A, [email protected], [email protected], [email protected], [email protected], [email protected]
Display: 4-digit blue(current) and orange(voltage) LED
Dimensions: 167*104*43 mm / 6.57*4.09*1.69 in
Net Weight: 1.26kg / 2.78lb
Packing List
1*Adjustable DC Regulated Linear Power Supply
1*Power  Cable
1*DC 5.5-2.1mm Output Cable
2*Alligator Clip Cable
Notice
1.Please debug proper output voltage before connecting, avoiding high voltage burning your audio devices, Douk Audio is not responsible for man-made losses.
2.Since linear power supply emit more heat, we design a fan for its continuous and reliable operation. With slight noise, but not affect its performance.
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Return Policy
About us
Contact us
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Safe and secure payment by PayPal.
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VALID TELEPHONE NUMBER
which is necessary and very important.
Customs Clearance
We are NOT responsible for any customs duties fee.
We are NOT responsible for any import tax or customs delay.
Most item will be shipped within 2 working days. For package less than 2KG, we use
Airmail
(10-25 days to most countries)
and for package over than 2KG we use
Expedited Service such as DHL, UPS and FEDEX
(5-8 days to most countries).
Return Policy
Free Return Within 30 Days
We provide  return within 30 days
for all items you bought on eBay, full refund and return shipping will be provided.
1-year warranty
is provided for all items(
Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).
If you are satisfied with our products and service please leave a 5-star
.
Feedback is very important to us just like our lives, please DO contact us before you leave a neutral
or negative
feedback, we will provide better solutions until you are satisfied.
About us
Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including
Douk Audio / Nobsound / Little Bear
etc.
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
We will spare no efforts to bring great products and service for
customers
and extremely
to
improve our customers’ listening experience.
Contact us
Please don't hesitate to contact us if you have any questions or comments about our items.
And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:
Working time
Beijing(CN)
Monday-Friday
09:00 AM - 18:00 AM
New York(US)
Sunday to Thursday
08:00 PM - 05:00 AM
London(UK)
Monday-Friday
01:00 AM - 10:00 AM
Paris(FR)
Monday-Friday
02:00 AM - 11:00 AM
During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
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Introduction More and more audio devices are equipped with external power supply like switch power supply or transformer. As we known, power supply plays an important role in affecting the sound quality of audio devices. Switch power supply is efficient with small-size, but the background noise they generate is as several times as the linear power supply and decrease the sound quality. So Douk Audio Studio designs a continuously adjustable linear power supply to improve audio sound quality and for those who love DIY and need different voltage.