- Fosi audio D1 HIFI tube headphone preamp, adopt 6J9-J tube, high quality and excellent sound. Can run headphones that 18-600Ohm
- two groups of audio signal input, one is USB signal input (USB-PC), can be used as USB external sound card;
- USB module chip is PCM2704;
- Output power:> = 1100mW (32 Ohm)
- For earphone impedance: 18-600Ohm
- Total harmonic distortion: <0.005%
- Signal to noise ratio:> = 110DB
- Frequency response: 20-30K Hz
- USB 2704 chip: Support sampling rate: 16Bit - 32k, 44.1k, 48k.
If the USB signal and 3.5 signal are input at the same time, the priority is 3.5 signal input.
You can replace the tube yourself (D1 compatible E180F, 6688 and other models of tubes)
- 1 x HIFI Headphone Amplifier
- 2 x Tube
- 1 x USB cable
- 1 x Power adapter
D1 Vacuum Tube Headphone Amplifier Preamplifier USB Sound Card PCM2704 DAC Integrated Mini Audio Hi-Fi Stereo Preamp - Black
Eligible For Free Shipping
- [3 in 1]: Headphone amp + Pre-amp + External USB DAC sound card; With 3.5mm and USB(tybe b) input jacks;
- [Low Ground Noise]: Adopt low-ground noise power circuit, No pop, no audible noise, dead silent when nothing is playing through it.Come with 2 X 6J9 J-Grade Tubes, can be replaced by E180F, 6ж9П, EF861, and 6688 tubes;
- [Small Compact]: Small Simple compact design but practical. Built-in PCM2704 DAC chip, Support sampling rate: 16Bit - 32k, 44.1k, 48k. Come with USB cable, can be used as external USB DAC.
- [Quality assurance]Manufacturer-Direct, free lifetime technical support, and 18-month manufacturer's warranty. Feel free to contact us at email@example.com, we will reply to you within 12 hours.