Mini Stereo RCA to XLR Converter 2.0 Channel Passive Preamp Audio Adapter

10K: 10K silicon steel signal transformer adopts high-quality iron core and oxygen-free copper wire and special winding method to minimize leakage inductance and distributed capacitance, so that the primary and secondary average inductance of the core transformer is above 150, reaching the E25 small iron core limit.

Lynepauaio B061 Passive Preamp Active Speaker Controller RCA Connector 128mm Fader Adjustment Controller Speaker Audio Adjuster, Size: 170, Black

Nobsound Little Bear MC2 Fully Balanced Passive Preamp Pre-Amplifier XLR/RCA Controller Audio Signal Switcher - Price history & Review, AliExpress Seller - Nobsound Official Store

Prism Sound Titan USB Audio Interface – Sonic Circus

U-44 Audio Interface, Buy Now

WiiM Pro Plus line out to Face Audio Pro amp - Weak Sound

The Radial Pro-Iso Stereo Line Isolator is a stereo line isolator designed to convert a professional +4dB line level balanced signal to an unbalanced -10dB consumer level device. This enables you to take the balanced output of a mixer and feed a consumer level recorder or audio input on a computer. The Radial Pro-Iso Stereo Line Isolator employs a more cost effective transformer that focuses the energy in the voice range.