FiiO KA11 TC

DAC and Headphone Amplifier KA11 

The **FiiO KA11** is a compact DAC (digital-to-analog converter) and headphone amplifier in adapter format. It's designed to enhance audio quality when connecting your earphones or headphones to your smartphone or other devices. Let's dive into the details:

- **Specifications**:
    - **USB Chip**: SAVITECH SA9312L
    - **DAC Chip**: CIRRUS LOGIC CS43131
    - **Op-Amp Chip**: SGMICRO SGM8262
    - **System Support**: Android, iOS, Windows, Mac
    - **Decoding Support**: Up to PCM 384kHz/32-bit, DSD256
    - **Input**: Type-C or Lightning
    - **Output**: 3.5mm single-ended
    - **Output Power**:
        - L+R ≥ 200mW + 200mW (32Ω, THD+N < 1%, USB IN)
        - L+R ≥ 245mW + 245mW (16Ω, THD+N < 1%, USB IN)
    - **Signal-to-Noise Ratio (SNR)**: ≥ 125dB (32Ω, A-weighted)
    - **Total Harmonic Distortion + Noise (THD+N)**: < 0.0006% (0dB, 32Ω), < 0.0003% (0dB, 300Ω)
    - **Noise Floor**: About 1.7uV A-weighted
    - **Other Features**: RGB light indicates corresponding sampling rate, UAC 2.0 & UAC 1.0
    - **Material**: Aluminum-magnesium alloy
    - **Dimensions**: 11.3cm (edge to edge)
    - **Weight**: 8.5g
    - **Packaging Size**: 16cm (length) x 6.5cm (width) x 2cm (depth)

- **Pros**:
    - **Price/Performance**: Offers excellent value for the price.
    - **Quality Construction**: Well-made with an aluminum-magnesium alloy.
    - **Design**: Lightweight and compact, perfect for portability.
    - **Sound Quality**: Provides excellent audio performance.
    - **Strong Power Output**: Can drive headphones efficiently.
    - **LED RGB**: Adds a touch of style.
    - **UAC 1.0 & 2.0**: Supports different USB audio modes.

- **Cons**:
    - **Lack of USB-A Adapter**: Doesn't include a USB-A adapter.
    - **Gets Warm**: May heat up during use.
    - **No iOS App**: No dedicated app for iOS devices.
    - **No ADC Mic & SPDIF Line Out**: Lacks these features.

The FiiO KA11 is a great entry-level dongle for those seeking an affordable solution to improve their audio experience. Keep in mind that it's been selling quickly, so you might need some patience if it's temporarily out of stock in the official store¹³. If you're tired of Apple's dongle, this could be a worthy alternative! 🎧🎶