L1794A5 PCM1794USB Bluetooth LA5 Pure Class A High Current Decoding and Headphone Amplifier All-in-one Machine

headphone amplifier parameters: 
Headphone impedance: 16-600 ohms 
Distortion:<0.01% @ 1kHz Vppm=20V RL=300 
ohm 
Output noise level: 92dB 
Output impedance: 1KHZ sine wave equivalent without loss of true power 
Rate: 300mW/600 ohms, 1200mW/32 ohms. 
Comprehensive parameters: 
Power consumption: less than 30W. 
Input sensitivity and impedance: 100mV/5oK 
Random accessories: power cord 
Volume (length, width, height excluding protruding parts) and weight: 
230*190*45mm、 About 3KG

Decoding parameters 
Input interface: Bluetooth, USB square port 
Input format: PCM44.1-96K 
Bluetooth support format: LDAC.APTX 
APTX HD,AACSBCo 
Line output: RCA Lotus stereo socket 
Line output level: 2.8Vppm 
THD+N:-129dB




Introduction to Front Panel Functions 
A: Power switch and power indicator light 
B: Protection circuit connected indicator light, power on 
Delay internal self-test completion, click a few seconds later 
bright 
C: Bluetooth indicator light, flashing when not connected 
Always on when connected 
D: USB playback indicator light 
E: High power 6.5mm headphone output socket 
F: Standard power 6.5 headphone output socket 
G: Earphone output volume adjustment knob 
H: Input the selection switch and press to switch 
Switch to pure headphone amplifier mode, which can be connected later 
Proposed input device.