My unit has stopped working. Mini input jack may be bad. How do I return for replacement? purchased 9/2/22

Try a new supply for cable to usb ie another high power charger.

Can this amplify a video signal to allow splitting on multiple viewing screens ?

No. It is for audio only (and in my opinion, doesn't even do that well). You need a device that is specifically for video, like this: https://www.amazon.com/MT-VIKI-Splitter-Composite-Distribution-Amplifier/dp/B0882RHYTW/ This will take a composite video input, amplify it, and provide multiple outputs. It also does the same for the associated audio inputs.

What are the exact dimensions of the power connector? The connector has 2 dimensions, the outer diameter and the inner pin diameter (5.5 mm x?)

I don't know. My Mini Stereo Line Level Amp stopped working the second week I owned it. I recommend buying something else.

Will it give a full 2 volt line out RCA signal

So long as the input level is sufficient to create a 2V output signal, the answer is yes. If the input signal is not of sufficient amplitude it will/can not.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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الحساب عربة التسوق

Douk Audio Mini Stereo Line Level Booster Amplifier Preamp 20dB Gain Volume Control

Douk Audio Mini Stereo Line Level Booster Amplifier Preamp 20dB Gain Volume Control

Product ID: 374052515

Details

Voltage
26 Volts (DC)
Manufacturer
Douk Audio
Maximum supply voltage
24 Volts
Minimum supply voltage
5 Volts (DC)
Mounting type
Surface Mount

🔊20dB max gain boost

🔌Wide 5-24V DC input

🎛️NE5532P op amp with socket

E£ 16311

Duties & taxes included

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate every note with precision power and style!

COMPACT DURABLE - All-metal, noise-shielded mini chassis built to withstand daily use and reduce interference.
MULTI SCENARIO USE - Ideal for home stereo, karaoke, live events, and recording setups—never miss a beat.
POWERFUL AMPLIFICATION - Adjustable gain up to 20dB to perfectly elevate any low-volume audio source.
VERSATILE CONNECTIVITY - Seamlessly compatible with 3.5mm AUX, RCA, and 5-DIN inputs/outputs for all your devices.
AUDIOPHILE READY DESIGN - Swap op amps easily with a pluggable NE5532P socket for personalized sound tuning.

The Douk Audio Mini Stereo Line Level Booster Amplifier Preamp XZ-L1 delivers up to 20dB gain with versatile input/output options including 3.5mm AUX, RCA, and 5-DIN. Featuring a high-voltage 26V supply and a pluggable NE5532P op amp, it offers customizable, ultra-low distortion sound in a compact, all-metal design perfect for audiophiles and professionals seeking clean, powerful audio amplification across multiple devices and scenarios.

Specifications

Asin	B08L4WYSZ4
Best Sellers Rank	#100,851 in Electronics (See Top 100 in Electronics) #289 in Home Audio Amplifiers
Brand Name	Douk Audio
Customer Reviews	4.1 4.1 out of 5 stars (316) 4.1 out of 5 stars
Manufacturer	Douk Audio
Material Type	metal
Maximum Supply Voltage	26 Volts (DC)
Minimum Supply Voltage	26 Volts (DC)
Model	XZ-L1
Mounting Type	Surface Mount
Number Of Channels	2
Number Of Items	1
Output Power	12.5 Volts
Package Type Name	Retail Box" or "Shipping Box
Part Number	XZ-L1
Specification Met	GSO, USB
Unit Count	1.0 Count

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