The USB module is divided into the classic 2704 chip version and HiFi level 7022 chip version. When buying, please choose .
Classic 2704 chip: Support sampling rate: 16Bit - 32k, 44.1k, 48k.
HiFi level 7022 chip: number of samples: 16bit, 24bit. Sampling rate: 32kHz, 44.1kHz, 48kHz, 96kHz
The fever-grade HiFi tube ear amp is pre-stage, using Beijing high-quality 6J9-J-class tube. It can easily push 18-600 ohm headphones.
It has two sets of audio signal input, one set is USB signal input (USB-PC), which can be used directly as a high-end USB external sound card, one set is 3.5 analog signal input, when USB signal and 3.5 signal are input simultaneously, priority is 3.5 signal input.
parameter:
Output power: >=1100mW (32 ohms)
Adapted headphone impedance: 18-600 ohms
Total harmonic distortion: <0.005%
Signal to noise ratio: >=110DB
Frequency response: 20-30K Hz
Packing list is: D1 machine *1, tube *2, USB line *1, power adapter *1