FiiO K13 R2R Desktop DAC & Headphone Amp, High-Fidelity 24Bit R2R DAC, Powerful 2400mW Output, LDAC Bluetooth Streaming, Dual Power Supply, 10-Band PEQ, Balanced XLR & RCA Audio Output (Silver) — Open-Box, 12% Off

Name: FiiO K13 R2R Desktop DAC & Headphone Amp, High-Fidelity 24Bit R2R DAC, Powerful 2400mW Output, LDAC Bluetooth Streaming, Dual Power Supply, 10-Band PEQ, Balanced XLR & RCA Audio Output (Silver)
Brand: FiiO
SKU: awhd-us-b0fq4t61rl
Price: 281.59 USD
Availability: InStock

Brand: FiiO

Condition: Used - Mint

$281⁵⁹

$319⁹⁹

-12% Save $38⁴⁰

Updated: 5 days ago

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Description

1. FiiO Self-Developed Fully Differential 24Bit R2R DAC Equipped with a proprietary 4-channel fully differential complementary 24Bit R2R DAC, built from 192 ultra-precise 0.1% thin-film resistors with low temperature drift (30ppm). Delivers a unique analog-like timbre with outstanding musicality.

2. NOS/OS Dual Modes for Flexible Listening Choose between NOS (Non-Oversampling) mode that preserves the original sampling rate for pure, natural sound, or OS (Oversampling) mode with upsampling to 384kHz for improved audio metrics, delivering finer and clearer sound.

3. Versatile Desktop DAC & Preamp/Headphone Amp Features rich connectivity with XLR balanced line out, dual RCA outputs, 4.4mm balanced headphone out, and 6.35mm single-ended headphone out. Supports PCM 384kHz/32bit and DSD256 decoding, ensuring accurate signal reproduction and detailed sound.

4. 10-Band High-Precision PEQ with Auto EQ Enjoy full EQ customization across 10 adjustable bands with FiiO’s self-developed algorithms, app control, and web interface. Access presets like vintage PEQ, simulate or correct headphone response, and share EQ profiles effortlessly.

5. LDAC Bluetooth 5.4 Wireless HiFi Supports LDAC, AAC, and SBC codecs over Bluetooth 5.4 for high-resolution wireless streaming. Experience immersive HiFi sound quality even without cables.

Upgrade your desktop audio with the FiiO K13 R2R DAC and Headphone Amplifier — a true audiophile solution that combines cutting-edge technology with musical warmth. Powered by FiiO’s self-developed 24Bit R2R resistor ladder DAC, the K13 R2R delivers sound that’s natural, textured, and full of life. Choose NOS mode for pure, original playback, or OS mode for upsampled clarity up to 384kHz. With 2400mW of powerful output, balanced XLR/RCA line-outs, and both 4.4mm balanced + 6.35mm headphone outputs, it’s designed to drive everything from sensitive IEMs to high-impedance headphones. Fine-tune your listening with the 10-band precision PEQ and Auto EQ—whether you want vintage tone, studio accuracy, or a personalized sound signature, the K13 R2R makes it easy. And with Bluetooth 5.4 + LDAC, you can enjoy high-resolution wireless HiFi anytime, without cables. The K13 R2R isn’t just a DAC—it’s your all-in-one desktop audio hub, built for those who demand both performance and passion in their music.

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Product Details

SKU:: awhd-us-b0fq4t61rl
Model:: K13 R2R
Country:: US
ASIN:: B0FQ4T61RL

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $38 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.