Key Specifications
Specification | Value |
Model | FiiO KA11 |
DAC Chipset | Cirrus Logic CS43131 |
Op-Amp Chipset | SGM8262 |
Supported Formats | PCM up to 384kHz/32-bit, DSD256 |
Max Output Power | L+R ≥ 200 mW + 200 mW @ 32Ω (THD+N < 1%) L+R ≥ 30 mW + 30 mW @ 300Ω (THD+N < 1%) |
Signal-to-Noise Ratio (SNR) | ≥ 125 dB (32Ω, A-weighted) |
THD+N | < 0.0006% (32Ω) |
Noise Floor | < 1.7 μV (A-weighted) |
Frequency Response | 20 Hz – 50 kHz (damping ≤ 0.2 dB) |
Output Impedance | < 0.7 Ω (32Ω load) |
Input Cable/Connector | USB Type-C or Lightning (non-detachable cable options) |
Output Port | 3.5mm Single-ended |
Cable Material | High-purity OFC Silver-plated Copper Cable |
RGB Indicator | RGB Light Ring (Blue: ≤48kHz, Yellow: >48kHz, Green: DSD) |
Software Support | FiiO Control App Support (Android) |
Dimensions | Main body: ~44.5 mm x 9.7 mm x 10.5 mm Cable length: ~65.5 mm |
Weight | ~8.5 g |
Compatibility | Windows, macOS, Android, iOS |
Introduction
The FiiO KA11 is a tiny USB DAC dongle designed for listeners who want more capable headphone output without carrying a bulky portable amplifier. Weighing only about 8.5g, it uses a Cirrus Logic CS43131 DAC and delivers up to 200mW per channel at 32Ω through its 3.5mm single-ended output. That makes it particularly well suited to IEMs and other easy-to-drive portable headphones.
In everyday use, the KA11 focuses more on practicality than advanced features. Its sound is generally clean and smooth, with a slightly full-bodied presentation that works well with a wide range of IEMs. The low output impedance is also useful for low-impedance and multi-driver earphones, while its noise performance is good enough for most typical IEMs.
The main limitation is its 3.5mm-only design. There is no 4.4mm balanced output, physical volume control, or high-voltage output designed for demanding high-impedance headphones. Although the KA11 can produce plenty of power at 32Ω, its output drops considerably at 300Ω, making it better suited to IEMs and efficient portable headphones than difficult-to-drive full-size models.
Overall, the FiiO KA11 is best viewed as a compact and affordable mobile DAC/amp rather than a replacement for a desktop headphone amplifier. For smartphone users who mainly listen to IEMs and want a lightweight upgrade over basic USB audio output, its combination of size, power, and price makes it a particularly practical option.
Related Guides
Fosi Audio DAC Lineup Explained: From Portable Dongles to Desktop Hubs
Fosi Audio's 2026 DAC lineup includes everything from affordable USB-C dongles to feature-rich desktop systems. This buying guide compares the ZD3, ZH3, K7, ZH1, Q6, SK02 and portable models by price, connectivity, headphone power and intended use. It also examines independent measurements, firmware issues, warranty terms and competing alternatives to help you choose a DAC that fits your actual setup.
Which Schiit DAC Should You Buy? Every Model, Architecture and Ownership Cost Compared
Not sure whether to buy a Schiit Modi 5, Mimir, Bifrost 3, or Yggdrasil+? This comprehensive comparison explains the differences between Mesh, True Multibit, Multiform, and Singular architectures without treating them as a simple quality ladder. It also examines independent measurements, blind-listening evidence, ownership costs, and real-world system compatibility to help you decide where spending more actually makes sense.
eero Router Buying Guide 2026: eero 7 vs. Pro 7 vs. Max 7
Choosing an eero mesh Wi-Fi system in 2026 means weighing more than Wi-Fi generations. This guide compares the eero 7, Pro 7, Max 7, PoE 7, Outdoor 7, Pro 6E, and older eero 6 models using official specifications, independent test results, and current U.S. prices. Find the right system for your internet speed, home layout, Ethernet wiring, and budget, while understanding warranty differences and subscription costs.