If your turntable has a usb output it has a built in preamp.
What does a preamp do for vinyl.
The cheapest preamp costs less than 50 the most expensive will cost over 500.
Check out my 10 best phono preamps from 10 to 500 article if you need a preamp.
If you do need an external preamp you will need a set of cables usually rca cables to connect to your audio system.
You can achieve this setup with turntables that do not have a built in preamp or your turntable has a defeatable phono stage allowing you to bypass the built in preamp.
If you try to play vinyl records on a stereo that does not include a phono preamp the music will be extremely low in volume and totally lack bass.
Many turntables receivers and even powered speakers already have a phono preamp built in.
As you can see the preamp has a serious job to do and has a major impact on vinyl playback and how your record player performs.
It doesn t have to cost much to do a good job.
In other words a signal must be amplified by a factor of 75 in order to be of any use to the amp.
The preamp can be a standalone unit or integrated into the turntable or amplifier receiver.
So if you want to make sure your vinyl records are treated correctly a high end turntable coupled with this phono preamplifier is the right options.
A basic preamp boosts the signal to an output of 300 mv.
With the separate preamp you will also need to add a grounding wire from the turntable to the preamp and the preamp to the powered speakers to avoid any buzzing or humming noise.
Preamps have a wide range when it comes to build and sound quality.