Douk Audio DAC-T1-PRO HiFi Tube Stereo Preamp USB DAC Bluetooth Receiver S/PDIF D/A Audio Converter

Chip architecture: QCC5125 Bluetooth chip 9123 USB chip ESS9028Q2M DAC chip NE5532 amp). Audio input: Bluetooth PC-USB Coaxial Optical Stereo RCA. Audio output: Stereo RCA 3.5mm headphone jack. Bluetooth version: 5.0 support APTX APTX-HD LDAC). Sampling rate supported: PC-USB: 24bit 192KHz. Coaxial Optical: 24bit 192KHz. PC-USB operation system supported: W7/W8/W10/MAC/Linux. Frequency response: 20Hz-20KHz ±0.5dB). THD: 0.08%. S/N ratio: 110dB. Treble Bass control: ± 6db. Matched headphone impedance: 16-300. Headphone output power: 150mW. Output level: 2.4Vrms. Working voltage: DC 12V. Dimensions(WDH): 18512841mm 7.285.041.61in. Net weight: 622g1. 37lb. Package weight: 1.1kg 2.43lb. Amazing combination in appearance and functions: integrated DAC-T1-PRO DAC with retro tubes and modern OLED display into a whole, keep both strong vintage feelings and convenient use. Even in limited space, warm filament dynamically decorates the audio system and give you a wonderful acoustic enjoymen