🎶 Unleash Your Inner Audiophile! Connect effortlessly with RCA, AUX, and headphone outputs for a complete audio setup. Experience true tube amplification with a voltage boost to 54V for rich, warm audio. Enjoy Bluetooth 5.1 with aptX HD and LL for low-latency, high-quality streaming. Includes a 24-month warranty and responsive customer service for peace of mind. Crafted with ELNA capacitors and precision controls for an unparalleled listening experience. Supports 16Ω-300Ω Headphones Bluetooth 5.1 Connectivity 54V Voltage Boost The Fosi AudioP3 Tube Preamp is a mini vacuum preamplifier designed for home audio enthusiasts, featuring true tube amplification, Bluetooth 5.1 connectivity, and versatile output options. With premium components and a user-friendly design, it delivers an exceptional audio experience for both active speakers and headphones.