FX-AUDIO TUBE-03 Mini HiFi Audio Preamplifier 6K4 Vacuum Tube Amplifier Buffer Treble Bass Adjustment RCA Preamp Silver US Plug

Features:
* With a wide applied range and practicability, it can fit the majority of active speakers and power amplifiers in the market.
* The replaceable 6K4 vacuum tubes design can optimize the circuit.
* The audio part and the power part are completely separated, which minimizes the interference to the sound.
* The timbre is soft and beautiful, sweet and warm, and with powerful bass, penetrating treble.
* With treble and bass adjustment, single power supply, it's small and portable, brings you much fun and convenience.
* Using high-quality aluminum alloy housing with gold-plated connectors, it's durable and high-performance.