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This page lists the complete technical specifications for the FiiO KA13 portable DAC/amp dongle. The KA13 is a dual-CS43131 USB dongle DAC and headphone amplifier with both 3.5mm single-ended and 4.4mm balanced outputs, desktop mode, and PCM 384kHz/DSD256 support. All specs sourced from the FiiO official product page.
Overall Rating: 7.9/10 — One of the most powerful dongle DACs in its price class, with clean measurements and enough output to drive demanding headphones.
Full Specifications
DAC and Amplifier
DAC Chip
Cirrus Logic CS43131 × 2
Op-Amp
SGM8262 × 2
Output Power (SE, 32Ω)
≥170mW+170mW (THD+N <1%)
Output Power (Balanced, 32Ω)
≥550mW+550mW (THD+N <1%)
SNR (SE)
≥123dB (A-weighted)
SNR (Balanced)
≥122dB (A-weighted)
Noise Floor (SE)
<1.7μV (A-weighted)
Noise Floor (Balanced)
<3.1μV (A-weighted)
Output Impedance (SE)
<1.7Ω @ 32Ω load
Output Impedance (Balanced)
<1.8Ω @ 32Ω load
THD+N (SE)
<0.0005% @ 32Ω
THD+N (Balanced)
<0.0005% @ 32Ω
Audio and Connectivity
Audio Formats
PCM up to 384kHz/32bit, DSD256
USB Connector
Type-C USB 2.0
Headphone Output 1
3.5mm single-ended (also SPDIF coaxial output)
Headphone Output 2
4.4mm balanced
SPDIF Output
Via 3.5mm (enabled through FiiO Control app)
Platform Compatibility
Android, iOS, Windows, Mac
App Control
FiiO Control app (Android only)
App Features
Filter selection, SPDIF mode, RGB settings
Physical
Dimensions
56.3 × 22 × 10.5mm
Weight
~18.5g (excluding cable)
Body Material
CNC aluminum alloy
Colors
Midnight Black, Dawn Silver
Ambient Light
RGB window (shows sampling rate: blue PCM ≤48kHz, yellow hi-res, green DSD)
FiiO was established in 2007 and has experience in researching and developing countless portable music products of different types, and sell FiiO-branded products through sales agents worldwide.The brand name FiiO is composed of Fi(fidelity from HiFi) and iO(number 1&0), representing the real...
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