Grounding it to turntable, I assumed is what you are asking. There is a grounding screw on the unit. Just hook the ground wire from turntable to it. Griuning to other devices would be the same

Can it be connected via rca to a mixer to produce sound from a turntable? i have my power speakers connected to the mixer already.

Hello, It can be used as a preamplifier to connect a turntable, and the turntable can be connected to the RCA input interface of the product through the RCA interface, and the product can be connected to the active speaker through the RCA interface.

Does it have a volume control?

Hello.This product doesn't have a volume control.

Is there an on and off switch to cut the power when not using. It would be good to leave hot 24 hours day.

My experience is too leave it on all the time because it often malfunctions when I turn is OF and On again. But I have now given up trying to find a preanp that does not constantly amplifier 'noise' and so I hooked up al my audios/AVs to a switch box then to mt stero - the sound comes from my stereo not my TV. And the only DVD player that works right in a Sony although its controls are reverse of convention. Sorry for the errors - I'm mostly blind.

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Phono Turntable Preamp,Low Noise Stereo Preamplifier with RCA Input/TRS Output, High-Fidelity Audio with 12V DCAdapter for Vinyl Phonograph - Home Audio

Product ID: 450539452

Details

Manufacturer
cotsoco
Maximum Supply Voltage
12
Minimum Supply Voltage
12
Mounting Type
Surface Mount
Voltage
12 volts

🔊2V max output for rich sound

🔌12V DC power for stable performance

🎛️Low-noise op-amps for crystal clarity

₹ 3148

Duties & taxes included

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Description

🎶 Elevate your vinyl game—hear every groove like never before!

NOISE WHAT NOISE - Engineered with low-noise operational amplifiers to keep your music pure and interference-free.
RISK FREE LISTENING - Backed by a 1-year warranty and 30-day money-back guarantee—because your vinyl deserves the best.
PLUG PLAY PERFECTION - Seamlessly connects any phono turntable to modern audio gear—no specialized inputs needed.
VERSATILE CONNECTIVITY - Stereo RCA inputs and outputs ensure compatibility with a wide range of home audio systems.
VINYL REVIVAL AMPLIFIED - Transforms phono signals to line level for pristine, room-filling audio.

The cotsoco Phono Turntable Preamp AU223 converts low-level phono signals into high-fidelity line-level audio with a maximum 2V output, powered by a stable 12V DC adapter. Featuring low-noise operational amplifiers and stereo RCA input/output, it ensures clean, interference-free sound for magnetic cartridge turntables without built-in preamps. Easy plug-and-play setup makes it ideal for integrating vintage vinyl with modern audio systems, all backed by a 1-year warranty and 30-day return policy.

Specifications

ASIN	B0B4VC2ZLN
Best Sellers Rank	#10,212 in Electronics ( See Top 100 in Electronics ) #5 in Audio Component Preamplifiers
Brand Name	cotsoco
Customer Reviews	4.3 4.3 out of 5 stars (412)
Manufacturer	cotsoco
Material Type	Metal
Maximum Supply Voltage	12 volts_of_direct_current
Minimum Supply Voltage	12 volts_of_direct_current
Model	AU223
Mounting Type	Surface Mount
Number of Channels	2
Number of Items	1
Package Type Name	box
Part Number	12
UPC	768488492389
Voltage	12 volts

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