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

⚡12V DC power for stable performance

🔇Low-noise op-amps for crystal-clear audio

🔊2V max output for rich sound

Rp838668

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your vinyl vibes—hear every detail, skip the noise!

UNIVERSAL RCA CONNECTIVITY - Plug & play with any turntable and amplifier setup using standard stereo RCA inputs and outputs.
COMPACT STYLISH METAL BUILD - Sleek surface-mount design fits perfectly in any professional or home audio setup.
ULTRA LOW NOISE AMPLIFICATION - Engineered with premium low-noise op-amps to preserve every subtle groove without interference.
RISK FREE LISTENING EXPERIENCE - Backed by a 1-year warranty and 30-day money-back guarantee for total peace of mind.
SEAMLESS PHONO TO LINE CONVERSION - Transforms your vintage vinyl signals into modern, high-fidelity audio effortlessly.

The Low Noise Turntable Mini Preamp Preamplifier by cotsoco converts phono signals to line level with a maximum 2V output, powered by a stable 12V DC supply. Featuring low-noise operational amplifiers and stereo RCA input/output, it ensures pristine audio quality for magnetic pickups with 3mV sensitivity. Its compact metal design supports easy surface mounting and plug-and-play connectivity, making it ideal for modern audio systems without built-in preamps. Comes with a 1-year warranty and 30-day return policy.

Specifications

ASIN	B0B4VC2ZLN
Best Sellers Rank	#11,894 in Electronics ( See Top 100 in Electronics ) #5 in Audio Component Preamplifiers
Brand Name	cotsoco
Customer Reviews	4.4 4.4 out of 5 stars (410)
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
Package Type Name	box
Part Number	12
UPC	768488492389
Voltage	12 volts

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