KKmoon-1 TUBE-03 Mini HiFi Audio Preamplifier 6K4 Vacuum Tube Amplifier Buffer Treble Bass Adjustment RCA Preamp Black…

｡◕‿◕｡ * With wide applied range and practicability, it may possibly have compatibility nearly all of active speakers and tool amplifiers available in the market.
｡◕‿◕｡ * The replaceable 6K4 vacuum tubes design can optimize the circuit.
｡◕‿◕｡ * The audio part and the facility part are completely separated, which minimizes the interference to the sound.
｡◕‿◕｡ * The timbre is soft and wonderful, sweet and warm and with powerful bass, penetrating treble.
｡◕‿◕｡ * With treble and bass adjustment, single power supply, it is small and transportable, brings you much a laugh and conveniece.