FiiO KA5 portable headphone amplifier / DAC

Flagship dual DACs – For excellent sound

The KA5 features dual Cirrus Logic CS43198 DACs, known for their efficiency and their ability to sound good with a wide variety of music, to give you a serious upgrade to your sound.

High-Res decoding

The KA5 supports up to 32bit/768kHz PCM and DSD256 decoding, allowing you to really dig into and listen to the heart of your music, no matter what device you may have it connected to.

Serious components – Serious power

For better audio performance, the KA5 utilizes a 6-layer immersion-gold PCB as well as high-performance ultra-low noise op amps for powerful, robust sound.

Bold Ruggedness and Highly Capable

The aggressive lines of the KA5 give it a bold look, while the carefully designed texture makes it a joy to handle. The dual outputs on the right side of the KA5 hint at its powerful capabilities.

The KA5 is an all-metal construction with front and rear tempered glass. With a 4.4mm balanced headphone output and a 3.5mm single-ended headphone output. The 3.5mm output also supports SPDIF output so after enabling the SPDIF output in the settings menu, you can connect the KA5 to a higher-end external decoder.

The OLED display and physical buttons make navigating the settings menu and looking at the playback display more straightforward and intuitive.
In addition, the KA5’s built-in MCU processor handles complex operations with ease, further making the KA5 a joy to use.

• OLED display with customizable screen timeout and brightness
• Multifunction key to navigate menus and play/pause music
• Volume buttons can be operated in A/B modes*, to better suit your usage habits.

*Volume buttons A/B mode

A mode: Volume+ button: short press once to increase volume 1 level, long press for 2 seconds to play previous track, and press to go page up in settings menu. Volume– button acts in the opposite way.

B mode: Volume+ button: short press once to play previous track, long press to increase volume, and press to go page up in settings menu. Volume– button acts in the opposite way.
FiiO Control App – for additional functions

Besides the local KA5 operating system, you can use the FiiO Control App to control the KA5. Use either method to conveniently dial in the KA5 exactly how you want it.

Small in size – But large in functionality

Despite the KA5’s compact size, it packs a ton of functionality – such as high and low gain, 5 selectable filters, L/R channel balance, and screen flip. Let the KA5 redefine what a tiny audio dongle can do for you.

UAC 1.0 support – For truly immersive gaming!

With the UAC 1.0 mode you can connect the KA5 to the Switch and other various devices, allowing you to experience rich and detailed sound effects that make your gaming sessions much more immersive.

*With the KA5 not connected to any device and switched off, press and hold the multifunction key. While holding the key, connect the KA5 to your desired device to enable UAC 1.0 mode.

Several adapter cables are included, makes it compatible with various platforms

The KA5 features a detachable cable design, which allows you to switch between the included custom Type-C and Lightning OTG adapter cables – saving you from having to separately buy cables to freely switch between listening devices.

Technical Specifications

• Output power 1: L+R≥122mW+122mW (32Ω single-ended/THD+N＜1%)
• Output power 2: L+R≥265mW+265mW (32Ω balanced/THD+N＜1%)
• SNR 1: ≥124dB (32Ω/A-weighted/single-ended)
• SNR 2: ≥128dB (32Ω/A-weighted/balanced)
• Noise floor: PO＜1.6μV (A-weighted); BAL＜1.8μV (A-weighted)
• Output impedance 1: ＜0.3Ω (32Ω load/single-ended)
• Output impedance 2: ＜0.35Ω (32Ω load/balanced)
• THD+N: ＜0.00037% (1kHz/32Ω/single-ended)
• THD+N: ＜0.00037% (1kHz/-6dB@32Ω/balanced)