FiiO K11 R2R – Desktop DAC and Headphone Amplifier

FiiO K11 R2R is a high-performance desktop DAC and headphone amplifier that combines precision resistor-ladder decoding with powerful amplification capabilities. Designed for audiophiles seeking natural and organic sound reproduction, the K11 R2R delivers exceptional audio quality for both casual listeners and critical listeners.

Key Features

• True 24-bit R2R DAC Architecture: Features a self-developed four-channel fully differential 24-bit R2R DAC with 192 precision thin-film resistors, ensuring smooth and analog-like sound reproduction with ultra-low distortion.
• High Output Power: Delivers up to 1300mW+1300mW at 32Ω in balanced mode, effortlessly driving demanding headphones.
• Multiple Input Options: Supports USB Type-C (up to 384kHz/24-bit PCM and DSD256), coaxial (up to 192kHz/24-bit), and optical (up to 96kHz/24-bit) inputs for versatile connectivity.
• Oversampling and Non-Oversampling Modes: Offers both OS (oversampling) and NOS (non-oversampling) modes to cater to different listening preferences.
• High-Quality Components: Utilizes Beryl solid capacitors and a specially-designed power supply with 17 low-noise LDO precision regulator ICs and 2 DC-DC converters to provide a stable and clean power supply.
• Custom LCD Screen: Features a high-contrast and durable LCD screen displaying sampling rate, volume, gain, and output mode with RGB logo lighting indicating the current sampling rate.
• Compact Design: Measures 147 x 133 x 32.3 mm and weighs approximately 420g, making it suitable for desktop setups.

Specifications

• DAC Chip: FiiO-developed 24-bit R2R resistor-ladder DAC
• USB Decoder: SA9312L
• Amplifier: SGM8262-2*2
• Gain Levels: Low, Medium, High
• Impedance Range: 8–150Ω (single-ended), 8–350Ω (balanced)
• Oversampling Modes: OS (oversampling), NOS (non-oversampling)
• Maximum Supported Sampling Rate: 384kHz/24-bit PCM, DSD256 (USB), 192kHz/24-bit (coaxial), 96kHz/24-bit (optical)
• Dimensions: 147 x 133 x 32.3 mm
• Weight: Approximately 420g

What's in the Box

• FiiO K11 R2R Desktop DAC and Headphone Amplifier
• USB Type-C Cable
• Power Adapter
• User Manual

Customer Reviews

Users have praised the FiiO K11 R2R for its impressive audio quality and build. However, some have reported issues with compatibility on certain devices, such as the PS5, where only one audio channel may work. It's recommended to check device compatibility before purchase.

Keywords

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