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FX-AUDIO TUBE-03MKII 6K4/5654W Tube Preamplifier ESS9023 DAC Headphone Amplifier Bluetooth 5.0 Bass/Treble

Regular price $69.99 USD
Regular price Sale price $69.99 USD
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  • TUBE-03MKII Tube Buffer Preamp and Tube Headphone Amp

  • When the output signal of some audio sources is insufficient, or the input sensitivity of the active speaker or power amplifier is too low, the entire audio system can not give full play.

  • This preamplifier can filter out the digital sound of common audio sources and make music more soft and sweet. With op-amp + tube buffer design, the music taste is richer.

  • Speakers full frequency output, By using the custom treble bass knob and adjustable 40-300Hz cutoff frequency for the subwoofer, you'll be able to get the best sound;


  • Model: TUBE-03MKII

  • Tube: 6K4/5654W(Optional)

  • Chipset: QCC3008+ESS9023+6K4+NE5532+JRC4556(6K4)

  • QCC3008+ESS9023+5654W+OPA1656IDR+JRC4556(5654W)

  • Frequency Response: (±3dB)20Hz-22KHz

  • Input: BT5.0 APTX+RCA

  • Output: RCA+3.5mm headphone amplifier

  • SNR:100dB

  • THD:0.001%

  • Line Output impedance: Up to 600R

  • Headphone output impedance:16-150R

  • Line input impedance: 600R-20K

  • Headphone Power output:30mW@16R,50mW@32R,70mW@68R,70mW@150R

  • Sensitivity: 0.775Vrms

  • RCA RMS Level: 2Vrms

  • Bass/Treble gain: ±8dB

  • Power supply: 12V 1A

  • Product Size:98mm*148mm*33mm

  • Color: Black/Silver

Package Include:

  • 1 * TUBE-03MKII Tube Preamplifier

  • 1 * 6K4/5654W Tube((Optional))

  • 1 * 12V 1A Power Supply

  • 1 * RCA Cable

  • 1 * Bluetooth Antenna

  • 1 * User Manual