| 名称／型号 | K13 R2R |
| 硬件方案 | SoC: ESP32-S3, DAC: FIIO-developed R2R DAC, USB decoding: XU316, AMP: OPA1642*2+TPA6120A *2查看官网原文Hardware solution：SoC: ESP32-S3, DAC: FIIO-developed R2R DAC, USB decoding: XU316, AMP: OPA1642*2+TPA6120A *2 |
| 工作模式 | USB DAC mode/Coaxial decoding mode/Optical decoding mode/Bluetooth receiving mode查看官网原文Working mode：USB DAC mode/Coaxial decoding mode/Optical decoding mode/Bluetooth receiving mode |
| 颜色 | 黑色/银色 |
| 重量 | 约 980g |
| 尺寸 | 约 210x188x42mm (including feet)查看官网原文Dimensions：About 210x188x42mm (including feet) |
| 增益 | L/M/H |
| 遥控 | Supports IR remote control (only the one included in the accessory)查看官网原文Remote control：Supports IR remote control (only the one included in the accessory) |
| 音量调节 | Knob/Remote control查看官网原文Volume control：Knob/Remote control |
| FiiO Control 功能 | Supported查看官网原文FiiO Control：Supported |
| Driver-free mode (switch mode) | Supported查看官网原文Driver-free mode (switch mode)：Supported |
| Bluetooth receiving (5.4) | SBC/AAC/LDAC查看官网原文Bluetooth receiving (5.4)：SBC/AAC/LDAC |
| 过采样设置 | OS/NOS |
| 参数均衡器 | Supported查看官网原文PEQ：Supported |
| MQA 支持 | Supports MQA full decoding查看官网原文MQA：Supports MQA full decoding |
| Knob indicator light/Top ambient light | Supports customizing brightness and color, and supports always-on indication or RGB pulsing查看官网原文Knob indicator light/Top ambient light：Supports customizing brightness and color, and supports always-on indication or RGB pulsing |
| 显示屏 | 1.1-inch LCD查看官网原文Display：1.1-inch LCD |
| Screen status indication | Sampling rate, volume, gain, output mode, etc.查看官网原文Screen status indication：Sampling rate, volume, gain, output mode, etc. |
| Coaxial decoding: 192kHz/24bit; DSD64 | XMOS firmware: Upgrade through the side or rear USB-C port查看官网原文Coaxial decoding: 192kHz/24bit; DSD64：XMOS firmware: Upgrade through the side or rear USB-C port |
| Optical decoding: 192kHz/24bit | Bluetooth firmware: Upgrade through the FIIO Control app查看官网原文Optical decoding: 192kHz/24bit：Bluetooth firmware: Upgrade through the FIIO Control app |
| 旋钮 | Volume knob with button*1+Menu knob with button*1查看官网原文Knob：Volume knob with button*1+Menu knob with button*1 |
| USB port | Type-C USB*2 (Data transmission port)查看官网原文USB port：Type-C USB*2 (Data transmission port) |
| Digital coaxial input port | RCA plug查看官网原文Digital coaxial input port：RCA plug |
| Digital optical input port | Optical port查看官网原文Digital optical input port：Optical port |
| 平衡输出接口 | Standard 4.4mm port查看官网原文Balanced output port：Standard 4.4mm port |
| 耳机输出接口 | Standard 6.35mm port查看官网原文Headphone output port：Standard 6.35mm port |
| 平衡线路输出接口 | XLR3 balanced port查看官网原文Balanced line output port：XLR3 balanced port |
| Single-ended line output port | RCA port*2查看官网原文Single-ended line output port：RCA port*2 |
| 拨动开关 | Power toggle switch查看官网原文Toggle switch：Power toggle switch |
| 供电方式 | AC 100-240V~50/60Hz; DC 12V/≥2.5A (either-or)查看官网原文Power supply：AC 100-240V~50/60Hz; DC 12V/≥2.5A (either-or) |
