FiiO KA3 Portable DAC Headphone Amplifier User Guide
- June 6, 2024
- Fiio
Table of Contents
FiiO KA3 Portable DAC Headphone Amplifier
About FiiO
FiiO is a high-tech enterprise focusing on researching and developing portable
music products, with current main products being hi-res music players,
portable headphone DAC/Amps and headphones/earphones. Including a core team
with nearly 30 years of R&D experience in audio products development, FiiO is
specialized in self-research and development, and sells FiiO-branded products
through sales agents worldwide. By virtue of high quality products and great
customer service, FiiO enjoys a high reputation in the industry and has
received countless well-known awards.
“Jade Audio” is a subsidiary brand of FiiO Electronics Tech no logy Co., LTD.
It is a stylish, technological and youth-oriented brand aiming to provide
highquality yet cost-effective audio products with an excellent listening
experience for the younger generation all around the world. The entity’s
Chinese name is derived from (Fei Sheng), meaning “the sound of Jade”. The
name “Jade Audio” conveys our mission towards providing consumers with a crisp
and pleasant listening experience while maintaining audio fidelity.
FiiO is committed to its brand proposition “Born for Music” and ceaselessly
pursues perfection in product design and manufacturing to supply users with
the best audio products at the best prices.
Connectors Introduction
Note: Please do not plug in both the 3.5mm SE headphones and 4.4mm
balanced headphones.
Operation Instruction
- Use a USB Type-C cable to connect the KA3 to an Android mobile phone.
- (Note: A compatibility issue may occur to certain Android mobile phones or music players due to system and hardware differences. Some mobile phones are required to turn on the OTG function, so as to use the KA3 normally.)
- . When connecting the KA3 to a device with a Lightning connector, please use a Lightning to Type-C OTG cable.
- When playing music on a computer, please select the KA3 as the audio output on the computer.
- When the KA3 is working with a Windows computer for the first time, please install the USB DAC driver on the computer for a better listening experience. Download link: https://www.fiio.com/supports
- When it is working under the Exclusive USB Audio Access Mode, the volume control may be unavailable on some devices. You can go to the FiiO Control App to adjust the volume and expand more functions.
- The indicator light of the KA3 can indicate the sampling rate of the music that is playing. Here are the details.
Indicator light
| Sampling rate
(digital input): �48kHz
| Blue light constantly on
---|---|---
Sampling rate
(digital input): >48kHz
| Yellow light constantly on
Digital Input: DSD| Green light constantly on
Notes and Precautions
-
If the KA3 is charged through the USB of mobile phones or computers, it will consume their power.
-
Since the KA3 features a high-performance DAC/Amp chip, it is normal that heating would occur during use.
-
Please adjust the volume to a suitable level before wearing headphones so as to protect your hearing.
-
Please do not wear headphones when plugging in or unplugging the headphones in case there may be a sudden impulse noise
damaging your hearing. -
Please do not repair or disassemble the product on your own and please keep it away from water.
-
For your safety, please avoid using headphones in dangerous environments.
Authenticity Checking
- 8Scratch off the coating to get a 20-bit security code.
- 8Please open this link: http://check.fiio.com/and then enter your0-bit security code.
- The security code entered proves the product is authentic.
- The security code entered proves the product is authentic.
- B. The security code entered proves the product is not authentic. The product you purchased is not an authentic product from Guangzhou FiiO Electronics Technology Co., Ltd.
Indicator light
| Sampling rate
(digital input): �48kHz
| Blue light constantly on
---|---|---
Sampling rate
(digital input): >48kHz
| Yellow light constantly on
Digital Input: DSD| Green light constantly on
Warranty Terms and Conditions
| Product Types | Term of Service |
|---|
Main body
| One month of guarantee for replacement; one year of free maintenance
Accessories except for the main body (subject to the official list)
| Battery| Half a year
Accessories| N/A
Package materials (fragile parts like the packing box)| ****
N/A
Notes:
1. The above guarantees start from the issue date of the invoice/receipt.
2. These warranty terms are for reference only. For specific details, please refer to the warranty terms of our local sales agents.
3. FiiO reserves the final interpretation and amendment for the above warranty terms and conditions.
Notes:
- The above guarantees start from the issue date of the invoice/receipt.
- These warranty terms are for reference only. For specific details, please refer to the warranty terms of our local sales agents.
- FiiO reserves the final interpretation and amendment for the above warranty terms and conditions.
The warranty is nu II and voids under the following circumstances.
- Defects or damage caused by improper operations such as vibrating, bumping, falling to the ground, buckling, tearing, excessive pulling.
- Defects or damage caused by disassembly of the product by the user or unauthorized repair personnel.
- Defects or damage for being put in humid environments, high-intensity magnetic fields or soaked into water.
- Defects or damage caused by natural disasters.
- Unable to provide valid proofs of purchase.
- Note : Man-made damage is determined by the judge of FiiO’s maintenance personnel.
Procedures of After-Sales Service
- Please contact the local dealer first once you find problems with the device. If they refuse to give related after-sales service, please give feedback to FiiOSu pport by sending an email to su pport @fiio.com We would handle it properly to ensure customers’ satisfaction.
- For repair service, you are supposed to send the defective product to Fi iO with freight paid. After it has been repaired, we will send the product back to you with freight paid by FiiO.
- It is highly suggested to buy a product from FiiO’s local authorized sales agents to get better, faster before- and after-sales service.
- Please do not maintain or dismantle the product on your own and please keep it away from water.
- For a normal I working issues or any further questions, please log in to our official website at the Support area to get related information or send an ema ii to su pport@fiio.com for consultation.
Contact Information for After-Sales Service
Email : support@fiio.com
Web: https://www.fiio.com
Facebook : https://www.facebook.com/FI IOAU
D10
To learn more a bout the product, please visit our
website:www.fiio.com/supports
WEEE Directive & Product Disposal
At the end of its serviceable life, this product should not be handed as household or general waste. It should be handed overto the applicable collection point for the recycling of electrical and electronic equipment, or returned to the supplier for disposal.
Internal/Supplied Batteries
This symbol on the battery indicates that the battery is to be collected separately. This battery is designed for separate collection at an appropriate collection point. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference
- This device must accept any interference received, including interference that may cause undesired operation.