Fiio K1 Portable Amplifiers of 2025
Best Choice1
FiiOFiiO BTR17 Bluetooth 5.4 USB DAC AMP with LDAC, aptX Lossless. Dual ES9069Q, 10-Band PEQ, THX AAA 78+amps 3.5mm Unbalanced & 4.4mm Balanced (Blue)
Why we love it
High-quality audio with aptX and LDAC support.
Versatile modes for PC, Bluetooth, and phone.
Efficient power management for extended use.
9.9Exceptional
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How do we rank?
Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
Value for Money2
FiiO19% OffFiiO K5Pro ESS Amplifier Headphone Amps Stereo High Resolution Portable Desktop DAC 768K/32Bit and Native DSD512 for Home Audio/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs (Black)
9.9 Sound level9.7 audio quality8.7 movabilityWhy we love it
Excellent sound quality
Many input and output options
Can be used with a variety of headphones
9.6Exceptional
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3
FiiO47% OffFiiO Q3 Headphone Amps Amplifier Portable High Resolution DAC DSD512 for Smartphones/PC/Laptop/Home/Car Audio Compatible with iOS/Android 2.5/3.5/4.4mm Output (Q3-MQA)
9.9 Sound level9.5 audio quality9.5 SheernessWhy we love it
Supports MQA for high-res audio.
Portable and lightweight design.
Versatile headphone output options.
9.5Excellent
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4
FiiOFiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio(Titanium)
Main highlights- Special feature : Lightweight
- Included components : Cable
- Headphones form factor : In Ear
- Form factor : On Ear
- Connector type : USB Type C
- Connectivity technology : Wired
9.4Excellent
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5
FiiOFIIO KA15 Portable DAC and Headphone Amplifier (Blue)
Main highlights- The new generation of FIIO’s 5-series audio dongles inspires endless fun with avant-garde innovation and appeals to quality enthusiasts with a practical design. It brings together great sound, ergonomics, fun, and aesthetics, all into a single tiny and convenient package. The KA15 has been completely revamped inside and out. It combines FIIO’s experienced audio know-how on the inside with elements of retro tape recorder looks on the outside.
- The audiophile-grade DSP allows the KA15 to feature a ten-band high-precision lossless PEQ, which operates smoothly and with high-quality thanks to FIIO’s self-developed advanced adjustment algorithms. Through the control app or the web interface*, not only can you simulate or correct the frequency response curve of headphones but you can also export, import, share, and save EQ curves. Whether you choose to use officially recommended tunings or choose to share your tunings online with other enthusiasts, you can easily enjoy setting up EQ the way you want it.
- The KA15 is the first to use a 0.96-inch IPS true colour LCD screen among similar dongles and supports both Chinese and English language display. The settings menus have been designed to be more intuitive and user-friendly. Additionally, the KA15 features a new retro dynamic UI, combining technological innovation with classic design. With the simulating spinning tape, you can truly feel the uniqueness of the KA15.
- Patented Desktop Mode - Activate Desktop Mode for greater power, with balanced output power of 560mW+560mW, an astonishing increase of 207% compared to the KA5. This gives the KA15 the headroom to drive both low and high-impedance headphones.
- Microphones are supported as a part of the 3.5mm jack, which supports the CTIA standard of in-line controls – allowing you to not only use your microphone but also to control music playback and volume.
- Intelligent app control - FIIO’s capable software team made it possible for the KA15 to be fully controlled by the FIIO Control app*, including being able to adjust: PEQ, channel balance, UAC mode, volume, button mode, screen brightness, screen sleep time, theme, etc. More functionality is to be added through future firmware updates. *FIIO Control app control over the KA15 is only supported on the Android version of the app.
- Equipped with a high-performance, low-power processor and high-precision chips, the KA15 innovatively features real-time voltage and current monitoring for dynamic power adjustment. By recognizing the device’s playback status, it intelligently adjusts the overall power consumption, allowing your phone to run using less power. When you set a timer for music playback during the night, once the timer ends the KA15 will enter an ultra-low power sleep mode - so you don’t have to worry about your phone’s battery being low when you wake up the next day.
- Dual CS43198 - The golden combination of a high-performance USB chip, dual CS43198 flagship DACs + dual high-performance SGM8262 op-amps, allow for high performance in a tiny area, giving the minute KA15 dongle more sound quality than its small size would suggest
- Capable decoder - The KA15 supports up to 768kHz/32bit and DSD256 sampling rates, easily handling various lossless audio formats to meet your demands for great sound. Additionally, it is Hi-Res Audio certified, a testament to its excellent sound quality.
- COAX output supported - The 3.5mm jack also acts as a SPDIF output, allowing you to connect to an external decoder for more ways to listen. HiFi without restrictions - A detachable cable plus compatibility with Android/iOS/iPadOS/Windows/macOS means you can connect seamlessly to a wide range of devices, for a truly HiFi experience without restrictions! Plug-and-play with Driver-free mode - Select the UAC1.0 mode to connect to the Switch, PS5 and other devices for more immersive gaming.
9.3Excellent
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6
FiiOFiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio
9.3 materials Quality8.9 Sound level8.7 audio qualityWhy we love it
High-fidelity sound quality with multiple output options.
Reliable USB-C power with overvoltage protection.
Versatile modes for different audio quality needs.
9.1Excellent
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7
FiiOFiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier 768K/32Bit and Native DSD512 for Home/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs
9.9 worth the money9.7 audio quality9.7 Sound levelWhy we love it
Exceptional sound clarity and detail.
Supports multiple audio inputs and outputs.
Drives high-impedance headphones effortlessly.
8.8Very Good
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8
FiiO17% OffFiiO/JadeAudio KA13 Portable DAC Dongle, USB-C Adapter, 3.5mm and 4.4mm Outputs Compatible with Android/iOS System/PC/Music Players, PCM 384kHz/32bit | DSD256 550mW high Power (Black)
Main highlights- [PCM 384kHz/32bit, DSD256] Supports 32bit/384kHz PCM despite its tiny size, it is capable of highly-detailed sound.
- [Mini desktop amp, 550mW high power] Supports “Desktop mode”, under which the balanced output power goes up to 550mW, allowing it to drive both low and high-impedance headphones with excellent dynamics and detail.
- [Dual CS43131 DACs, dual 8262 op-amps] Features two high-performance yet highly efficient CS43131 DAC chips and two low-noise SGM8262 op-amps. This truly “dual-core” golden combo brings excellent performance.
- [App connectivity] Supports being controlled with the FIIO Control app. With the app, you can set the RGB lights, SPDIF output, audio filters, etc. for a more convenient experience.
- [3.5+4.4 dual outputs] After repeatedly adjusted design, it finally managed to fit two headphone outputs in the compact dongle, marking true progress in packaging capabilities.
8.7Very Good
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9
FiiOFiiO BTR13 Bluetooth Headphone Amplifier with LDAC, aptX Adaptive, aptX HD, AAC (Dual CS43131 3.5mm Unbalanced & 4.4mm Balanced Output) (Black)
Main highlights- Weighing just 28.6g, the BTR13 perfectly blends portability with high performance. Its independent power supply system for the built-in headphone amplifier maximizes output, boosting the balanced output power to 220mW+220mW—an impressive 282% increase compared to the BTR3K, making it a top performer among similar products with the same chip.
- The BTR13 uses the Qualcomm QCC5125 Bluetooth chip, supporting Bluetooth formats such as LDAC, aptX, aptX LL, aptX Adaptive, aptX HD, AAC, and SBC. Whether via Bluetooth or USB DAC, it can achieve up to 96kHz sampling rate for high-definition audio transmission, ensuring you enjoy Hi-Fi sound across multiple devices.
- The BTR13 features a high-end Cirrus Logic CS43131 DAC for each channel, with one DAC dedicated to processing each stereo channel. This setup effectively reduces crosstalk and faithfully reproduces audio, allowing you to enjoy a purer sound experience.
- The BTR13 features a PC/BT/PHONE three-position switch, allowing you to quickly switch between computer sound card, Bluetooth decoding, and mobile phone modes. This not only eliminates the hassle of switching between different devices but also meets your multi-device, multi-scenario needs with just one unit.
- No need to worry about using PEQ settings! The BTR13 comes with various preset sound effects and allows for online sharing. You can also finely adjust EQ frequencies, gain, and bandwidth through FiiO’s proprietary algorithms and app or web interface. Whether you’re a beginner or an advanced user, the BTR13 meets your personalized tuning needs.
8.4Good
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10
FiiOFiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output)
9.7 worth the money9.7 materials Quality9.5 audio qualityWhy we love it
Studio quality sound
Dual AK4377A DAC
FiiO Music app control
8.3Good
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