Table of Contents
The Fiio K11 is a high-performance portable DAC and headphone amplifier designed for audiophiles and tech enthusiasts. Understanding its technical specifications can help consumers make informed purchasing decisions. This article provides a detailed breakdown of the Fiio K11’s key features and specs.
Design and Build
The Fiio K11 features a sleek and compact design, making it portable and easy to carry. Its chassis is constructed from durable materials, ensuring longevity and resistance to everyday wear and tear. The device includes a user-friendly interface with clearly labeled controls and indicators.
Audio Performance Specifications
The core of the K11’s appeal lies in its impressive audio specifications. It supports a wide range of audio formats and delivers high-resolution sound quality. Key specs include:
- DAC Chip: ESS Sabre ES9038Q2M
- Supported Audio Formats: PCM up to 32-bit/768kHz, DSD512
- Signal-to-Noise Ratio (SNR): 130 dB
- Total Harmonic Distortion (THD+N): 0.00009%
- Output Power: 250mW at 32Ω
Connectivity and Inputs
The K11 offers versatile connectivity options to accommodate various devices and user preferences. These include:
- USB Input: Type-C for digital audio input from computers and smartphones
- Line Out: 3.5mm and 2.5mm balanced outputs
- Power Input: USB-C for charging and power supply
Power and Battery
The device is powered via a built-in rechargeable battery, providing portability without sacrificing performance. Key battery specs include:
- Battery Type: Lithium-polymer
- Playback Time: Up to 10 hours on a single charge
- Charging Time: Approximately 2 hours via USB-C
Additional Features
The Fiio K11 includes several features that enhance usability and audio quality:
- Gain Settings: Multiple gain levels for different headphones
- Digital Filters: Multiple filter options to customize sound
- App Support: Compatible with Fiio’s control app for firmware updates and settings
Conclusion
The Fiio K11 combines high-end audio performance with versatile connectivity and a portable design. Its advanced DAC chip, support for high-resolution formats, and user-friendly features make it an excellent choice for audiophiles seeking a premium portable DAC and amplifier. By understanding these technical specs, consumers can better assess whether the K11 meets their audio needs and preferences.