Product description: Product name: DAC-A1 Chipset: SA9123L+ES9018Q2M+NJW1194+MAX97220+NE5532 QCC3034 Bluetooth: Version 5.0, supports AAC,SBC,APTX,APTX-LL, and APTX-HD PC-USB sampling rate: 24bit/192khz PC-USB operating system: Windows XP/window7/8/10 / Max OS/MAC/Linux Fiber ...Product description: Product name: DAC-A1 Chipset: SA9123L+ES9018Q2M+NJW1194+MAX97220+NE5532 QCC3034 Bluetooth: Version 5.0, supports AAC,SBC,APTX,APTX-LL, and APTX-HD PC-USB sampling rate: 24bit/192khz PC-USB operating system: Windows XP/window7/8/10 / Max OS/MAC/Linux Fiber/coaxial sampling rate: 24bit192khz RCA: Snr: 103 db, THD + N: 0.0032% Headphone (unbalanced) : Snr:100db,THD+N:0.0032%, Frequency response :20-20Khz (±1db) RCA output level: 2.3V Treble and bass adjustment range: ±10db Output power of the headphone amplifier :120mW@32Ω Headphone impedance: 16-200Ω Audio input: Bluetooth /USB/ Coaxial/Fiber Supported devices: Mobile phone, tablet, computer, MP3, TV, etc Output mode: ear amplifier/amplifier + passive speaker/active speaker Power supply: DC5V Size: 101 - 98 - 33 mm Package included: 1Pcs DAC-A1 PC Headsets Electronics