FiiO K11 Desktop Dac & Headphone Amplifier 

The FiiO K11 is a brand new USB DAC/AMP with a fully balanced design. It is equipped with the powerful 32-bit CS43198 DAC that offers exceptional high-resolution PCM and DSD signal decoding. It is equipped with a range of input and output options including USB, coaxial and optical inputs as well as 4.4mm, 6.35mm and RCA output options. The FiiO K11 is a desktop DAC/AMP that can be easily used with a wide range of devices such as PCs, laptops, smartphones and even gaming consoles such as PS5 and Nintendo Switch.

Highlights:

• Fully symmetrical design of DAC and amplifier
• Strong output power with 1.4 W
• 3-stage adjustable gain
• High-quality CS43198 DAC chipset
• Supports up to 384kHz/32Bit PCM and native DSD256 signals
• Specially developed low-noise power supply
• Adjustable RGB logo lighting
• Multifunctional rotary control Driver-free USB DAC mode Multiple input/output options
• Compact and ergonomic design
• Compatible with game consoles (PS5, Nintendo Switch, etc.).

Ultimate performance with premium audio circuitry

Over the years, FiiO has developed and launched several successful USB DAC/AMP models. The latest model, the FiiO K11, is equipped with a specially designed audio circuit that promises top-notch sound performance. The K11 is equipped with a powerful CS43198 DAC chipset that offers ultimate performance in decoding high-resolution 32-bit/384kHz PCM and Native DSD256 audio signals.

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Diverse input/output options

The FiiO K11 offers multiple input and output options. Digital inputs via coaxial, optical and USB input modes and the following analog outputs: balanced 4.4mm, unbalanced 6.35mm and analog RCA outputs. The K11 can easily meet your needs for a powerful audio setup at an affordable price.

Simple USB input with worry-free operation without drivers

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High-performance amplifier section with three-stage amplification

The FiiO K11 is a high-performance USB DAC/AMP. The device is equipped with a powerful headphone amplifier section with three gain stages, which delivers a strong output power of up to 1400mW at 32Ω impedance load via the balanced connection output. It can easily drive most headphones and in-ear monitors.

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Specially designed low-noise power supply

The FiiO K11 is equipped with a specially designed low noise power supply. By using more than 16 low noise LDOs for precise voltage stabilization and an external 12V power supply, the K11 achieves robust performance with stable power supply to all areas of the audio circuit.

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Completely clear screen

The FiiO K11 is equipped with a high-contrast, durable VA display. It shows the active sampling rate, volume level, gain level and the activated output mode.

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Adjustable RGB logo

The FiiO logo on the top of the K11 DAC/AMP has an RGB illuminated design. It lights up in different colors depending on the active file bitrate. Brightness, color and light pattern can be adjusted using the multifunction knob.

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Multi-function button control

The FiiO K11 has a minimalist design with a multi-function button. This button can serve as a power button, volume control, explore menu, screen control, etc. Users can also switch between Line-Out and Phone-Out modes by simply double-pressing the button.

Technical data

• Main control chip (single-chip microcomputer): GD32F303RET6
• DAC: CS43198
• Supported audio formats: 384kHz/32bit PCM, DSD256
• USB port: Type-C
• Display type: Custom VA
• Dimensions: 147×133×32.3mm (including feet)
• Weight: Approx. 407g
• Power supply: DC12V 2A external adapter
• SE power output 1: L+R≥520mW +520mW (32Ω, THD+N <1%) (32 Ω/single-ended/high gain)
• SE power output 2: L+R≥60mW+60mW (300Ω, THD+N <1%) (300 Ω/single-ended/high gain)
• BAL power output 1: L+R≥1400mW+ 1400mW (32Ω, THD+N<1%) (32 Ω/balanced/high gain) BAL Power Output 2: L+R≥250mW+250mW (300Ω, THD+N < 1%) (300 Ω/balanced/high gain)
• Frequency Response: 20 Hz ~ 50 kHz (attenuation <0.2 dB)
• SNR: ≥123 dB (A-weighted)
• Noise Floor: PO < 2.8 uV (A-weighted); BAL < 4.9 uV (A-weighted)
• Output Impedance: PO < 1.2 Ω (32 Ω load); BAL < 2.41 Ω (32 Ω load)
• THD+N: LO < 0.00035 % (1 kHz/10 kΩ)