LYNEPAUAIO Passive Audio Controller — Fully-Balanced & Single-Ended Switch with XLR & RCA for Home Stereo Pre-Amplifier/Speaker

Passive preamp/speaker controller that operates without an external power source — true plug-and-play use. Compact, space-saving design housed in a solid, durable metal chassis for easy portability. High audio fidelity achieved through stable, lossless transmission for pure sound with no noise. Simple operation via a front-panel switch to choose fully-balanced or single-ended input/output; rear connections include RCA & XLR interfaces. Wide Application: The device can connect with audio equipment that