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FiiO KA2 brings a true high-resolution audio signal decoding performance with a high-performance Dual DAC architecture. FiiO has equipped the KA2 with two CS43131 DAC chips from Cirrus Logics that provides ultimate performance by achieving ultra-low THD+N and high SNR ratings ensuring an impressive performance.
FiiO KA2 might have a compact form factor, but it packs some serious punch with a fully balanced 4.4mm headphone connection. It provides a whopping 153mW of clean output power with a clean, noise-free background. FiiO KA2 ensures you get a powerful performance with a pitch dark background in the output signal. It can drive most IEMs and some low-power requiring headphones with ease.
Adjust the output to your liking with five pre-built digital filters on the KA2. You have to use the FiiO Control application on your smartphone to change the digital filters.
KA2 gets full integration with the FiiO Control application on your smartphones. You can adjust various settings such as gain level, digital filters, and more via the application. It will also allow the users to upgrade the firmware on their KA2 on the go.
FiiO KA2 gets an exquisite all-metal housing with a design that is identical to the KA1 and KA3 USB DAC/AMPs. It houses a multi-color RGB indicator ring light on the front that glows into different colors depending on the active file bitrate.
Name/Model | KA2 | color | Classic Black |
hardware | DAC: CS43131*2 | FiiO Control | support |
weight | About 12.3g | size |
fuselage: about 40mm x 15mm x 12mm. Line length: 70mm |
Audio input interface | Type-C Cable or Lightning | Headset output interface | 4.4mm socket |
firmware upgrade | The system firmware can be upgraded through USB | sample rate indication |
blue: below 48kHz yellow: above 48kHz Green: DSD |
channel balance |
<0.02dB(32Ω/THD+N<1%) |
impedance adaptation |
16 to 300 Ω |
The highest supported sampling rate | 384KHz/32bit | Support DSD | DSD64/128/256 |
power supply parameters | |||
power supply | battery capacity | ||
Audio parameters | |||
Headset Output Part Performance Parameters (4.4mm) | |||
output power | 112mW (16Ω,THD+N<1%) | output amplitude | 2.2V(32Ω/THD+N<1%) |
153mW (32Ω,THD+N<1%) | channel separation | ≥ 91dB(1Khz,32 Ω load) | |
54mW (300Ω,THD+N<1%) | |||
27mW(600Ω,THD+N<1%) | output impedance | <0.5 Ω (load 32 Ω) | |
frequency response | 20Hz to 20KHz, the curve amplitude changes by 0.03dB. | signal-to-noise ratio | ≥ 125dB(32 Ω A) |
20Hz to 50KHz, the curve amplitude changes by 0.05dB. | ≥ 131.2dB (600 Ω A) | ||
bottom noise | <1.1uV(32 Ω-A) | distortion plus bottom noise | <0.00036%(32 Ω) |
<0.00023%(600 Ω) | |||
<1.05uV(600Ω-A) | <0.00024%(32 Ω A) | ||
<0.00014%(600 Ω A) |
Fiio’s goal is to offer you a level of support that matches the attention to detail and quality of their products. In the unlikely event that a Fiio product develops a manufacturing defect within the warranty period, please contact Gears For Ears. Please make sure that the issue with your product is eligible for a warranty claim.
Please be advised that Gears For Ears is not authorized to handle the warranty claims for the purchases that are made outside Bangladesh.
Fiio's Warranty Period is 1 Year from the Date of Invoice for all products.
Eligibility for warranty
Manufacturing Defects
No Sound Output
Doesn't turn on
Any other manufacturing defect
Non- eligible for warranty
Physical Damages
Wear and tear from usage
Cosmetic flaws
Wire/cord tearing
Damages to accessories
Any other accidental damage
Natural disasters or animal related damages
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