1、Built-in high-performance RTOS operating system and audio decoder chip with the support of DTS/AC- 2、Super fast startup time is about 3 seconds. 3、Using 6CH RCA / 5mm headphone port output, it is easy to use and more efficient. 4、It supports 6 channel synchronous volume adjustment. 5、Small Size with steel case, it is portable and stylish. 1 x Decoder1 x Manual1 x USB Cable Condition: 100% Brand NewItem Type: DecorderMaterial: Steel Case, ABSColor: As Pictures Shown Weight: Approx. 390gSNR: 120dBStereo Isolation: 80dB (1 KHZ)Channel Imbalancez: 0 dbSampling Rate: 1/2 32 ~ 192 KHz16-24 Drilling RateResponse Frequency: 20Hz ~ 20khz +/ - 0.7dBTotal Harmonic Distortion: 20Hz ~ 20khz 0.25- 0.065%THD + N:1 KHz 0.15% 2.2V Analog Output LevelAnalog Input Level: 1A 1V (3dB)Operating Voltage: 1.5DC + 5VMaximum Current: 210mA Operating Temperature: 1.5 0-70℃Working Humidity...10%-80% RH (No Condensation)Storage temperature: 1.5-10-80℃Storage Humidity...5%-90% RH (No Condensation)