[High-performance flagship DAC]: KA3 headphone amps equipped with the powerful and proven ESS ES9038Q2M, supporting 32bit/768kHz and DSD512.     [Dual headphone outputs]: KA3 mini amplifier comes equipped with 2 headphone outputs, a 3.5mm single-ended and a 4.4mm balanced output, both powerful to easily drive a variety of your headphones.         [Lots of ways and lots of experience ]: KA3 portable headphone dac compatible with various OSes like Android/iOS/Windows/Mac, you could use it connect with your phone/computer/player.     [Practical and beautiful RGB touch]: Besides exuding elegance, the RGB light indicator usefully indicates the current sampling rate. Blue light: 48kHz and below sampling rate; yellow light: 48kHz and above sampling rate; green light: DSD     [Low noise floor]: Clean sound for a great sound, featuring abundant power with high signal-to-noise ratio, low distortion, and almost 0 noise – this is true high-fidelity sound.

Mini Portable USB DAC and Amplifier ------- FiiO JadeAudio KA3 is here

Wonderfully versatile Due to the large output power of the KA3 and limited external power supply of iPhones, stutter and muteness may happen to the maximum volume.

                                                                    

High-performance flagship DAC chip                 Equipped with the powerful and proven ESS ES9038Q2M, supporting 32bit/768kHz and DSD512.	Low noise floor for a great sound                 Featuring abundant power with high signal-to-noise ratio, low distortion, and almost 0 noise – this is true high-fidelity sound. S/N: 119dB THD+N: 0.0008% Noise: <4uV	More specifications                 (1) Recommended headphone impedance: 16~300Ω(PO); 16~300Ω(BAL) (2) Audio input interface: USB Type C (3) Firmware upgrade: System firmware and Bluetooth version can be upgraded via USB (4) DSD: DSD64/128/256/512 (5) Color: Black

                                                                   

Even more ways to interact                 Unleash the mini amp KA3’s potential with more interactivity in a control app including controls for 7 kinds of filters, high and low gain, and channel balance adjustment. Besides , the RGB light indicator usefully indicates the current sampling rate: (1) Blue light: 48kHz and below sampling rate; (2) Yellow light: 48kHz and above sampling rate; (3) Green light: DSD	Connect to your smartphone                 Using Type C to Type C cable to connect KA3 amplifier with your phone (iOS use Lightning to Type C cable), then choose your headphone (3.5mm or 4.4mm) to connect with KA3, starting your hifi time.	Connect to your PC                 The connection method is like connect with your phone, but if your computer is with USB A connector, then you also could choose the USB Type C to USB A cable. And the most important is the experience between them is totally different, you would know after you had tried it.	Anywhere, anytime                 Use in various scenarios like listening when commuting, chatting, or playing game, watching TV/movie, at your home or office or outside. You could use it at whatever you want.

                                                                                       

All-metal construction                 The all-metal body sports a handsomely rugged design with distinct edges and a luxurious gold and black finish. This size and this weight(17.5g) , you could take it anywhere at ease.	Headphone outputs and USB Type C connector                 Comes equipped with 2 headphone outputs, both powerful to easily drive a variety of headphones. Satisfy multiple use cases with both a 3.5mm single-ended and a 4.4mm balanced output.	Accessories included                 1. KA3 tiny DAC*1 2. USB Type C to Type C cable*1 3. USB Type C to USB A cable*1 4. Manual*1

               

  FAQ for KA3 amplifier

Q1.About getting hot and power consumption:
(1) The KA3 does not have battery so it will consumpt the power from the device. Please make reasonable plans for power consumption when connecting the KA3 to mobile phones or other devices. (2) The KA3 with tiny body and high output power has the temperature rising for about 15℃ while working. Getting a bit hot is normal phenomenon.

Q2. About the support of DSD files in KA3:
(1) To play DSD files on the Android devices, please use an APP which supports DSD files (e,g, "FiiO Music APP) and enable the Exclusive USB Audio Access Mode. The DSD output option should be set to DoP or Native. DSD512 is only supported in Native mode. (2) To play DSD files on the iOS devices, please use an APP which supports DSD files (e,g, "FiiO Music APP) and set DSD output option to DOP.
Note: iOS devices cannot support DSD512 currently. (3) To play DSD tracks on the computer, please use the software which supports DSD files (e.g. "Foobar 2000") and install the relevant application plug-ins correctly. (4) Swithcing tracks with different sampling rates will cause relatively obvious impulsing sound which is a normal phenomenon. It is recommended classify music files well.

Q3.How to use the KA3 as a USB DAC for mobile phones?
1. [Android-based phone]: Just use the Type C to Type C cable to connect the KA3 to a mobile phone.
Notes:(1) A compatibility issue may occur to certain Android mobile phones or music players due to system and hardware differences.(2) Some mobile phones are required to turn on the OTG function, so as to use the KA3 normally.For detailed settings please consult the support of mobile phones.(3) Some mobile phones may show the 'non-certified Type-C digital headphone'notification. You can ignore the message and use it normally.
2. [iPhone/iPad]: Please buy an extra Lightning to Type C OTG cable to connect the KA3 to an iPhone/iPad/iPod.
Notes: (1) Only supports iOS10.0.2 and above. Apple devices below this version cannot be supported because of the iOS itself. (2) Since there are limitations for iPhone to power the external USB device, the KA3 with high output power may have stuttering or no sound problems at extreme volume.
PS: Please refer to the FAQ in Apple website on how to download lossless music to FiiO Music app ( iOS version).

Q4. How to use the KA3 as a USB DAC for computers?
[Windows system]: (1) Before first connecting, please go to our website to download the DAC driver, and install it as the instruction to enable the USB DAC function. Download link: please check it on our official website by google 'fiio'.
(2) Use the Type C to Type C cable to connect the KA3 to the computer.(If the USB port of your computer is USB A, you could use the Type C to USB A cable for help instead) (3) Select the KA3 as the audio output on the computer.
[Macbook]: Macbook does not need to install the driver. Directly choose the NEW K3 as the output device. Please go to our official website on how to use the FiiO device as USB DAC on MAC.

Q5: Does KA3 support in-line remote control in the headphone or phone calls answering with headphones?
(1) The KA3 does not have any buttons. And it does not support in-line remote control in the headphone or phone calls answering with headphones.
(2) When an incoming call comes in, the sound is still transmitted through the phone's speaker and microphone. You can pick up the phone and make a normal call.Whether unplugging the KA3 will not affect it.

Q6: About the problem in Exclusive USB Audio Access Mode:
Some permission confliction and compatibility issue may occur to certain Android mobile phones or players due to system and hardware differences in Exclusive USB Audio Access Mode.
Here is the known situation: (1) Some mobile phone without volume buttons: You could adjust the volume by sliding up from the right edge in now playing page of FiiO Music APP. (2) Some mobile phones' power management policies do not allow third-party apps to run in the background by default. This can cause the APPs to pause in Exclusive USB Audio Access Mode after the phone sleeping for a few seconds. You can manually set the app stay working while asleep in the battery management setting of the mobile phone. (3) Operating other apps in Exclusive USB Audio Access Mode may lead to stuttering or no sound problems. We will keep optimizing this problem. And it is recommended to focus on listening music if you are using Exclusive USB Audio Access Mode. Or you could exit the Exclusive USB Audio Access Mode in order to avoid this issue.