Specification AudioOutputMode : Digital BatteriesIncluded : 1 Brand : HiBy BulletPoint1 : [Dual DAC Dual Crystal Portable USB DAC] Equipped with 2 of ES9219 DAC chips and Independent FPGA-based dual independent crystal oscillator reclocking, A solid foundation for good sound quality. Supporting up to PCM768kHz/32bit, DSD256 (native) decoding, edging on professional HiFi player in decoding specifications BulletPoint2 : [Professional audio architecture] The FC4 headphone amp dac contains the same level of circuitry as a professional full-size HiBy digital audio player, which is designed solely for high definition lossless music, playing back every detail of the original music. BulletPoint3 : [High driving power usb dac dongle] 340mW+340mW @32Ω for a USB dongle, Easily drive all your HiFi earphones and even some full-size headphones. It will let your earphones handle all music styles with more aplomb than ever, a higher sense of energy without sacrificing any fine control or detail. BulletPoint4 : [MQA 16X unfolding] The HiBy FC4 MQA dongle includes MQA full decoding technology, which enables you to play back MQA audio files and streams by a factor of 16X BulletPoint5 : [Plug and Play] No charging required, effective way to improve Sound quality. Driver-free for Android / iOS / Mac / Windows 10 and up, plug-and-play, For versions below Windows 10, need to download the driver.(For iOS system devices need to purchase Lightning to Type-C OTG cable) Color : Black CompatibleDevices : PC/Smartphones/Music Players ExternallyAssignedProductIdentifier : 6971331261146 ExternallyAssignedProductIdentifier1 : 750076279892 ExternallyAssignedProductIdentifier2 : 0750076279892 HardwareInterface : usb2.0 HardwarePlatform : Android/iOS/Mac/Windows Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryWithEquipment Hazmat11 : EG_SmallLithiumIonBatteryWithEquipment Hazmat12 : ES_SmallLithiumIonBatteryWithEquipment Hazmat13 : FR_SmallLithiumIonBatteryWithEquipment Hazmat14 : GB_SmallLithiumIonBatteryWithEquipment Hazmat15 : IN_SmallLithiumIonBatteryWithEquipment Hazmat16 : IT_SmallLithiumIonBatteryWithEquipment Hazmat17 : JP_SmallLithiumIonBatteryWithEquipment Hazmat18 : MX_SmallLithiumIonBatteryWithEquipment Hazmat19 : NL_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : PL_SmallLithiumIonBatteryWithEquipment Hazmat21 : SA_SmallLithiumIonBatteryWithEquipment Hazmat22 : SE_SmallLithiumIonBatteryWithEquipment Hazmat23 : SG_SmallLithiumIonBatteryWithEquipment Hazmat24 : TR_SmallLithiumIonBatteryWithEquipment Hazmat25 : US_SmallLithiumIonBatteryWithEquipment Hazmat26 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat27 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryWithEquipment Hazmat5 : AU_SmallLithiumIonBatteryWithEquipment Hazmat6 : BE_SmallLithiumIonBatteryWithEquipment Hazmat7 : BR_SmallLithiumIonBatteryWithEquipment Hazmat8 : CA_SmallLithiumIonBatteryWithEquipment Hazmat9 : CN_SmallLithiumIonBatteryWithEquipment IncludedComponents : USB Type A to Type C interconnect , Type-C to Type-C interconnect ,User manual ItemName : HiBy FC4 Headphone Amplifier Portable DAC with 4.4mm and 3.5mm Headphones Outputs Support MQA16X PCM768K DSD256 High Driving Power for Android/iOS/Mac/Windows ItemPackageDimensions_Height : 9.7 centimeters ItemPackageDimensions_Length : 3.3 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : headphone-amps Manufacturer : HiBy MaximumSampleRate : 768 KHz ModelName : FC4 ModelNumber : FC4 NumberOfLithiumIonCells : 1 PartNumber : FC4 Platform1 : windows_10 Platform2 : ios Platform3 : android ProductDescription : HiFi Headphone Amplifier This headphone amplifier is designed to enhance your music listening experience wherever life takes you; It supports most headphones of high impedance 16-300Ω 3.5mm AUX Input and Output signal-to-noise ratio> 120Db THD + N = 0.0003% fully filter noise, enjoy high-quality audio Two-stage Gain Switch It enhances the signal input into the amp circuit for the optimal performance of the headphones. Make it Possibility to output not only louder sound but a sharper and more Real stereo sound without distortion. It is Delicate, Compact, Lightweight, and Portable that It can be Carry Conveniently. Headphone Amplifier with volume control knob for volume adjustment. It adopts a rechargeable lithium battery with 1000mAH capacity, which allows it to stay working more than 12-15h.
Broad Compatibility This amplifier is remarkably compatible with a variety of digital devices, such as for MP3, MP4, Tablets, Mobile Phone, Computers, PS4, Xbox ONE , CD players and personal media players
Tips: It is not recommended to use while charging, because current disturbance occurred when charging may lead to noise