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FiiO K13 R2R Desktop DAC Headphone AMP

FiiO K13 R2R Desktop DAC Headphone AMP

Regular price $319.00 USD
Regular price $299.00 USD Sale price $319.00 USD
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FiiO K13 R2R Desktop DAC Headphone Amplifier

"High-Fidelity Audio with Cutting-Edge R2R Technology"

The FiiO K13 R2R combines a fully differential true 24-bit R2R DAC, 2400mW output power, and LDAC Bluetooth streaming into a versatile desktop DAC and headphone amplifier. Designed for audiophiles, it features dual NOS/OS modes, a 10-band high-precision PEQ, and powerful amplification to deliver exceptional sound quality.

24-bit R2R DAC 2400mW Output LDAC Bluetooth Dual NOS/OS Modes 10-Band PEQ Fully Balanced Circuit DC/AC Dual Power Supply Hi-Res Audio Support

Key Features

  • 24-Bit R2R DAC — FiiO's proprietary four-channel fully differential DAC composed of 192 precision resistors, delivering rich and musical sound with low noise and fewer harmonics.
  • 2400mW Output Power — Drives high-fidelity IEMs and headphones effortlessly, providing a detailed and dynamic audio experience.
  • Dual NOS/OS Modes — NOS mode preserves the original sampling rate for an organic sound, while OS mode upsamples to 384kHz for enhanced clarity and detail.
  • LDAC Bluetooth Streaming — Supports high-quality Bluetooth audio streaming, allowing you to enjoy high-fidelity sound wirelessly.
  • 10-Band High-Precision PEQ — Customize your sound with precision equalization, including preset tuning options and the ability to adjust frequency response for a personalized listening experience.
  • Fully Balanced Amplifier Circuit — The K13 R2R features a balanced audio path to minimize distortion and provide excellent interference rejection for a cleaner and more accurate sound.
  • Dual Power Supplies — Features both DC and AC power inputs, with a high-performance switching power supply and support for external linear power supply for improved sound quality.

Technical Specifications

Product Name FiiO K13 R2R
DAC Fully differential 24-bit R2R resistor arrays
Output Power (Balanced) 2400mW+2400mW (32Ω load)
Output Power (Single-ended) 1220mW+1220mW (32Ω load)
Inputs USB (384kHz/32bit, DSD256), Coaxial (192kHz/24bit, DSD64), Optical (192kHz/24bit)
Bluetooth LDAC, Bluetooth 5.4
PEQ 10-band, with preset tuning and adjustable curves via FiiO Control app
Frequency Response 20Hz – 80kHz, Attenuation < 2.9dB
SNR ≥116dB (A-weighted)
THD+N 0.0173% (1kHz/-6dB@32Ω)
Power Supply AC 100-240V 50/60Hz, DC 12V/2.5A
Dimensions 210 x 188 x 42 mm (including feet)
Weight 980g

Package Includes

  • FiiO K13 R2R DAC Headphone Amplifier
  • Infrared Remote Control
  • AC Power Cord
  • USB Data Cable
  • Headphone Adapter
  • Quick Start Guide
  • Warranty Card

Note: For optimal sound performance, you may connect the K13 R2R to an external linear power supply (12V-2.5A or greater). Bluetooth streaming requires compatible devices supporting LDAC.

Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

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3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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