Fx-o dac-x3pro usb dac ess9023 headphone amplifier cs8416 support asrc transmission hifi portable decoder headphone amp 24-b(Black)The product is based on the color or size of the main image of the product page.Colour:BlackHeadphone Amplifier The headphone amp refer to well-known foreign brands,optimize and add OP Amp diffuser circuit, that maintain sound quality of original circuit, increase driving force and reserve gain interface,greatly improve playability.ASRC TransmissionAdopts USB ASRC transmission technology,support smartphone OTG directly drive.Sampling rate up to 24Bit/96kHz. DAC-X3PRO is a cost-effective o decoder dac converter and headphone amplifier with USB ASRC transmission.USB Power SupplyAdopts USB power supply adaptive technology. Inserted separately USB cable, it can be automatically converted to USB power supply for the whole machine. It also can supply power directly from DC socket to meet your higher demand.Support Smartphone OTG DriveSupport smartphone OTG drive, it can meet to listen HiFi music anytime and anywhere.DAC-X3PRO is a high-performance decoding headphone amplifier for mobile phone/desktop/DVD/CD/TV.High-Class ComponentsUSB dac adopts PCB board which uses black immersion gold craft and high-class electronic components, such as classical CS8416,USB ASRC o processing IC and DCA decoder IC ESS9023,headphone amp protection circuit,as well as power electronic filter magnetic ring to reduce switching power supply noise.Chipset: ASRC USB+CS8416+ESS9023+NE5532Sample Rate: 16bit-24bit/44.1kHz-96kHzRCA RMS Level: 2VrmsDynamic range: 105dBHeadphone power output: 45mW@16, 85mW@32, 160mW@64, 150mW@120, 65mW@300 (recommended 32-300 euros)Input: USB, Optical, COAXIALOutput: RCA 3.5mm headphone amplifierPower Supply: DC 5V1A