Specifications:Colors: Black, SilverMain Control Chip (Single-Chip Microcomputer): GD32F303RET6DAC: CS43198Supported Audio Formats: 384kHz/32bit PCM, DSD256USB Connector: Type-CDisplay Type: Custom VADimensions: 147 x 133 x 32.3 mm (including feet)Weight: Approximately 407gSE Power Output 1: L+R ≥ 520mW + 520mW (32Ω, THD+N < 1%) (32Ω/single-ended/high gain)SE Power Output 2: L+R ≥ 60mW + 60mW (300Ω, THD+N < 1%) (300Ω/single-ended/high gain)BAL Power Output 1: L+R ≥ 1400mW + 1400mW (32Ω, THD+N < 1%) (32Ω/balanced/high gain)BAL Power Output 2: L+R ≥ 250mW + 250mW (300Ω, THD+N < 1%) (300Ω/balanced/high gain)Power Supply: DC12V 2A external adapterFrequency Response: 20Hz ~ 50kHz (Attenuation < 0.2dB)SNR: ≥ 123dB (A-weighted)Noise Floor: PO < 2.8uV (A-weighted); BAL < 4.9uV (A-weighted)Output Impedance: PO < 1.2Ω (32Ω load); BAL < 2.4Ω (32Ω load)THD+N: LO < 0.00035% (1kHz/10kΩ)Features:1. Variety of inputs and outputs to suit different audio setups and preferences.2. High power output up to 1400mW for an uncompromised audio experience.3. Supports high-resolution audio with formats up to 384kHz/32Bit and DSD256.4. USB DAC with Driver-free mode for easy and hassle-free connectivity.5. Customizable user experience with 3 gain levels and 3 volume curves.Package Includes:1 x FiiO K11 Headphone Amplifier1 x Power Adapter(including AC Cable)1 x USB-A to C Cable1x 6.35mm Adapter1x Quick Start Guide
