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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Douk Audio L1 Mini Stereo Line Level Booster Amplifier Audio Preamp with 20dB Gain and Volume Control

Douk Audio L1 Mini Stereo Line Level Booster Amplifier Audio Preamp with 20dB Gain and Volume Control

Product ID: 243819127

Details

Brand
Douk Audio
Manufacturer
Douk Audio
Maximum Supply Voltage
26 Volts (DC)
Minimum Supply Voltage
26 Volts (DC)
Mounting Type
Surface Mount

🔊20dB max gain boost

🔌Wide 5-24V DC input

🎛️Adjustable volume & gain

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Description

🎧 Elevate Every Note — Small Amp, Big Impact!

POWERFUL AMPLIFICATION - Delivers up to 20dB gain with a high 26V output amplitude for crystal-clear, dynamic sound.
UNIVERSAL COMPATIBILITY - Seamlessly connects with iPods, phones, TVs, and more via 3.5mm AUX, RCA, and 5-DIN inputs/outputs.
COMPACT DURABLE DESIGN - All-metal, mini chassis shields against interference while fitting perfectly into any setup.
VERSATILE USAGE SCENARIOS - Ideal for home stereo, mixers, karaoke, live events, and recording—boost your audio game everywhere.
CUSTOMIZABLE SOUND EXPERIENCE - Swap NE5532P op amps easily to tailor your audio signature and enjoy DIY audiophile fun.

The Douk Audio L1 Mini Stereo Line Level Booster Amplifier is a compact, high-performance preamp offering up to 20dB gain with versatile input/output options. Featuring a durable all-metal design, adjustable volume and gain controls, and a unique pluggable op amp socket for sound customization, it’s engineered to enhance low-volume audio sources across multiple devices and scenarios with ultra-low distortion and clear HiFi sound.

Specifications

ASIN	B08L4WYSZ4
Best Sellers Rank	#25,832 in Electronics ( See Top 100 in Electronics ) #132 in Audio Component Amplifiers
Brand Name	Douk Audio
Customer Reviews	4.1 4.1 out of 5 stars (339)
Manufacturer	Douk Audio
Maximum Supply Voltage	26 Volts (DC)
Minimum Supply Voltage	26 Volts (DC)
Model	XZ-L1
Mounting Type	Surface Mount
Number of Channels	2
Output Power	12.5 Volts
Part Number	XZ-L1
Unit Count	1.0 Count

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12118 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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