1. One optical and one coaxial input interface. Connect to DVD, HD player and other devices
2. An RCA output interface, connected to the power amplifier system
3. A channel 3.5mm audio output interface for connecting earphones.
4. Eliminate noise when there is no input signal, and automatically mute when there is no audio signal input. Support 192KHz 24bit sampling rate
5. Support volume adjustment, support bass adjustment
6. Metal shell, anti-interference

specification:
1. Support audio format: PCM
2. Resolution (1khz): 94 decibels
3. Response frequency: 20Hz-20KHz 0.2 db
4. Signal-to-noise ratio (signal-to-noise ratio): -100 decibels
5. Sampling frequency: 32 192 KHz
6. Bit rate: 16-24 bits
7. Headphone output level: 3V
8. RCA output level: 9V
9. Headphone output power: 30mW
10. Headphone output impedance: 0.8 ohm
11. RCA output impedance: 450 ohms
12. Working voltage: 5V