The Best Fiio E07K of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Fiio E07K of 2022. Check our ranking below.
2,678 Reviews Scanned
- The most competitive and cost-effective desktop balanced DAC/Amp within the 300-USD range;
- Adopts the six-stage audio circuit as in FiiO’s high-end devices, and features 2 AMK’s latest AK4493SEQ DACs and dual THX AAA 788+ amps;
- Supports multiple outputs- 4.4mm balanced out, 6.35/3.5mm single-ended out, as well as multiple inputs- USB, optical, coaxial and AUX in;
- Comes with versatile functions as well as robust output power- 1% THD+N under BAL output, 2000mW stable output power, which can drive most headphones, including full-size headphones;
- Supports input selections, 2 gain levels and 3 output levels, and features RGB indicator lights that can display the working state and differentiate sampling rates.
- FiiO R7 is the brand’s first-ever desktop digital audio player equipped with a high-performance ESS Sabre DAC chipset and high-power THX-788+ desktop-grade amplification chipset. It brings you the perfect combination of input and output options allowing you to use it independently or use it with other devices on your desktop chain. FiiO R7 supports high-resolution PCM and native DSD audio signal decoding. With Qualcomm’s 8-core Snapdragon 660 SoC chipset and 4 GB of RAM, R7 boasts open Android 10 OS with support for countless streaming and media applications!
- FiiO’s First-Ever Desktop Audio Player - FiiO is a pioneer brand in the HiFi audio industry. They are known for their outstanding range of products full of innovations and features. They have years of expertise in designing portable and desktop audio gear. With all that experience, they have revealed the R7, their first-ever desktop digital audio player.
- Premium Sabre DAC Chipset - FiiO R7 comes equipped with a premium ES9068AS Sabre DAC Chipset. It provides high-resolution PCM(up to 32-Bit/768kHz), DSD(native DSD256), and MQA audio signals that too with outstandingly clean performance reaching ultra-low noise and high SNR ratings. The output is clean with a dark noise-free background.
- High-Power Desktop-Grade THX Amplification Circuit - FiiO R7 features a specially designed high-power desktop-grade THX amplification circuit. It features dual THX AAA 788+ headphone chips on the amplification circuit. It produces high-power output delivering up to 3000mW of clean power. FiiO has designed R7 with five-level gain modes to ensure good pairing with both sensitive IEMs as well as high-power requiring headphones.
- A plethora of Input/Output Options - FiiO R7 houses a full plethora of input and output options for the users. It provides SD card, USB-C, USB-A, Coaxial, and Optical input options. As for output, the R7 supports XLR, Dual RCA, Coaxial, and Optical line-out options. It also supports 4-pin XLR, 4.4mm balanced, and 6.35mm single-ended headphone outputs.
- Nano wood fiber composite diaphragm: The diaphragm of the FIIO FT1 earphones is primarily made from selected wood fibers, with a base material of 90-year-old spruce from Northern Europe. It incorporates a specific proportion of carbon fiber material, resulting in a diaphragm thickness of approximately 0.1mm. This design achieves a balance of lightweight and durable physical properties.
- W-shaped independent suspension design: Derived from FIIO's latest self-developed acoustic technology, the W-shaped independent suspension design increases the effective vibrating area of the diaphragm by 25.8% compared to conventional diaphragm designs of the same size. This larger effective diaphragm area and amplitude allow the acoustic core unit to store more sound energy.
- North American black walnut solid wood ear cups: The FT1 earphones feature premium North American FAS grade black walnut solid wood ear cups, known for their exquisite texture that offers an immersive experience of natural beauty from the original wood material. The high-density solid wood not only effectively reduces cavity resonance and minimizes standing waves but also ensures that each piece of wooden ear cup has a unique grain pattern, making it distinctly yours.
- Portable lightweight headband: The FT1 features a ball slide rail headband design, significantly enhancing its durability. Compared to other products in its class, the FT1 offers an extensive adjustment range from 0 to 11 notches to accommodate various head sizes. The headband contact area is covered with suede fabric, ensuring a comfortable and breathable experience, making it both refreshing and durable.
- Standard with two oxygen-free copper silver-plated headphone cables: The audio connectors include a 3.5mm single-ended and a 4.4mm balanced plug. Both cables feature identical specifications, utilizing oxygen-free copper with silver plating and containing 392 strands of wire. Each cable measures 1.5 meters in length and has a diameter of 24AWG
- A Brand-New Processor That Surpasses Competing Products — Qualcomm Snapdragon 680 Built on a 6nm process, it delivers superior performance and enhanced power efficiency. With 4GB+64GB storage and Android 13, it ensures smooth and seamless operation for all major music apps.
- Patented Desktop Mode with 950mW High Power Output: When Desktop Mode is activated, the M21 operates entirely on external power, with the built-in battery neither charging nor discharging—effectively extending battery lifespan.
- Quad CS43198 Matrix DACs, Fully Balanced 2-Stage Amplification: Featuring a 4-channel, 8-path fully differential output design, it unleashes its full potential with exceptional dynamic range and high noise immunity. The headphone amp adopts a 2-stage circuit design—the first stage handles voltage amplification while the second stage boosts current—ensuring pristine sound quality and rich detail.
- Versatile Ports, High-Performance Output: Supports dual 3.5mm + 4.4mm headphone/LO outputs, equipped with independent line amplification circuits. Also supports SPDIF and USB Audio output, with SPDIF performance rivaling professional digital transports—reducing jitter by 70%.
- The FT7 features FiiO’s all-new self-developed 106mm full-size planar driver, delivering exceptional low-frequency performance. Its proprietary ultra-thin 1μm diaphragm enables lightning-fast response, accurately reproducing delicate high-frequency signals for outstanding dynamic range and frequency characteristics.
- Multi-Coating Diaphragm Technology: Combining the acoustic advantages of 24K gold and pure silver, FiiO’s patented multi-layer coating delivers rich, nuanced sound.
- Premium Materials for Superior Sound: Zebrawood grille and carbon fiber body, with two interchangeable ear pads (genuine lambskin and breathable fabric). Gold-and-silver-coated diaphragm, 18 N52 high-performance neodymium magnets per side.
- Modular Cable Design with High-End Cable: Features a 4.4mm balanced connector (detachable) and includes two audio adapter plugs. Cryogenically treated (-192°C liquid nitrogen) monocrystalline copper for pristine signal transmission.
- Lightweight Comfort: Addressing the common issue of heavy planar headphones, the FT7’s carbon fiber headband and housing keep weight to just 427g, ensuring a comfortable, fatigue-free listening experience.
- [Support hi-res Bluetooth format]: BTR7 bluetooth amplifier supports Bluetooth 5.1, LDAC/aptX Adaptive/aptX LL/aptX HD/aptX/AAC/SBC hi-res wireless format.
- [3.5mm+4.4mm dual output]: Widely compatible with the BTR7 headphone amps, this means a 4.4mm balanced headphone output in addition to the traditional 3.5mm single-ended headphone output - for a more detailed audio experience in a jack format now widely used.
- [Lossless sound and support MQA]: The BTR7 bluetooth amps relies on the XMOS XUF208 chip to receive and decode audio data streams, with support up to PCM 384kHz and native DSD256. In USB DAC mode and with an MQA player, up to MQA 8x rendering is supported.
- [cVc 8.0 and built-in microphone]: BTR7 bluetooth amplifier supports cVc 8.0, supports Bluetooth voice call, supports earphones with CTIA in-line controls.
- [High performance DAC]: Each of the left and right channels of the BTR7 bluetooth DAC is the ES9219C, which is paired with a low-pass filter and an amplifier in a highly-optimized audio architecture that captures every last detail and dynamics in your music. And with support for MQA, your music will definitely come across clearly and boldly.
- [Desktop-league DAC ES9038PRO]: The left and right audio channels each contain a desktop-class, 8-channel ES9038PRO flagship DAC. This means that each audio channel has 8 parallel outputs summed together for superior resolution and minimal distortion for extremely pure audio reproduction.
- [Desktop-class THX 788+ headphone amp]: Desktop-class amplification also plays an important role in the M17 audio player. FiiO and THX jointly developed the exclusive THX AAA-788+, an upgraded version of the original op-amp. Compared to the original, output power is increased by 225% up to 3000mW per channel with a lower output impedance – allowing it more effortlessly power all kinds of headphones.
- [Desktop-level connectivity]: The M17 mp3 player features : 3.5mm output: headphone out/line out; 6.3mm output: headphone out; 2.5mm output: balanced headphone out; 4.4mm output: balanced headphone out/balanced line out; RCA coaxial port: coaxial input and output; USB 3.0 port: supports USB Host and Device modes, can be used for high-speed data transfers and fast charging; USB 2.0 port: supports USB Host mode, allowing external DACs or hard drive storage to be connected.
- [Desktop-tier heat dissipation]: With exceptional audio quality comes with large power consumption, so effective heat dissipation was a large focus when designing the M17 music player. Not only are "H" type heat dissipation and VC liquid cooling technologies adopted, the bluetooth mp3 player M17's 151g unibody aluminum alloy frame also effectively transfers heat out of the device. Finally, the cooling fan stand also further makes sure heat is rapidly transported away.
- [Desktop-quality power supply]: The M17 digital music player contains two power supplies – a battery power supply and a power supply powered by external DC power. The battery power supply allows you to use the M17 lossless mp3 player in situations where there is no access to a power outlet. Under DC power supply, voltage in the analog circuit is increased by 35% up to 11.5V compared to under battery power supply; and the battery is kept healthy since it is not used in this mode.
- With dimensions of just 83.2mm x 39.4mm x 13mm, the device is comparable in size to mainstream lighters. The body knob is crafted from aluminum alloy, featuring a meticulously designed wheel that simulates PVR tuning, seamlessly blending retro and modern aesthetics. This offers an immediate feedback experience that digital tuning devices simply cannot match.
- Equipped with the Silicon Labs professional FM radio chip Si4831, the device boasts enhanced radio station search capabilities, delivering clearer and more stable reception. It supports the 64-108MHz FM band, allowing you to tune into standard FM signals as well as campus FM broadcasts. Enjoy mainstream music stations, news programs, and unique campus radio content with ease.
- The RR11 not only supports using headphones as an antenna but also features a high-performance PCB signal gain antenna. This significantly enhances radio reception, ensuring you can effortlessly capture clear signals with a lightweight and portable design.
- The RR11 comes standard with custom retro-style earbuds and a digital-to-analog conversion cable. When paired with the conversion cable, the RR11 transforms into a compact headphone amplifier, boosting output power and utilizing the DDB analog sound effect chip to deliver unique audio enhancements. Whether you're listening to music or streaming online radio, the experience is enriched with distinctive charm.
- The RR11 is powered by a custom DDB analog sound effect and amplification chip, recreating classic audio effects and offering a 3D sound experience. This immerses you in a lifelike auditory environment, making every listening session truly captivating.
- The FiiO K17 is the first to feature a discrete amplifier circuit, utilizing an OP + transistor current-driving headphone amplifier design. It is equipped with the On Semiconductor MJE243G/253G classic complementary pair, enabling high-current, low-impedance output. The balanced output power reaches up to 4000mW+4000mW, effortlessly driving both large headphones and in-ear monitors. The sound is smooth, natural, and melodious, delivering a pleasant listening experience.
- The device uses the AKM flagship DAC chip combination AK4191 + AK4499EX*2, with each AK4499EX handling one channel. This is paired with an 8-channel to 4-channel LPF design to reduce common-mode interference, resulting in better separation and dynamics. Additionally, it features a fully separated digital/analog structure based on a new design technology, incorporating the newly developed "DWA ROUTING technology" to further purify the background and enhance resolution.
- The FiiO K17 is equipped with the professional DSP chip M21586Q and the high-performance ADC ES9821Q, complemented by a custom-designed ultra-low phase noise femtosecond crystal oscillator. It offers a 31-band professional-grade high-precision lossless PEQ adjustment function across all input modes. This allows for simulation or correction of headphone frequency response curves.
- The FiiO K17 supports multiple input options, including single-ended line input, balanced line input, USB decoding, Bluetooth decoding, optical decoding, and coaxial decoding. The USB decoding uses the XMOS 16-core chip XU316, supporting 768kHz/32bit, DSD512, and full MQA decoding. Bluetooth decoding is powered by the Qualcomm QCC5125 chip, featuring Bluetooth 5.1 and supporting aptX HD, aptX Adaptive, LDAC, and other codecs. For streaming, it supports Roon Ready and AirPlay, giving you access to a vast array of streaming sources. Local playback is supported via external USB drives and portable hard drives, allowing you to enjoy your precious collection of audio files.
- The K17 features a custom-designed 3.93-inch LCD screen, allowing for quick switching between various settings and functions via touch controls. It also includes five independent control knobs, supporting one-button standby, and enabling fast adjustments for volume, gain, output, and more. The device comes with an infrared remote control for convenient long-distance operation, allowing you to easily switch between work modes, select EQ settings, and adjust volume.
- BTR11 supports the LDAC Bluetooth audio format, providing HiFi-level wireless Bluetooth sound quality, and also supports Bluetooth 5.3!
- In continuous music playback, the working time reaches 15 hours. When the battery is low, it only takes 1 hour to charge up to 90%, close to full capacity!
- Weighing only 12.5g and measuring about 5.5cm, it offers two convenient carrying options: an elastic back clip and a lanyard, making it stress-free to carry!
- With a built-in high-performance independent ear amplifier and an output power of up to 45mW (16Ω), it allows earphones to deliver excellent performance, providing high-quality music comparable to wired connections via Bluetooth.
- It features a built-in high-sensitivity omnidirectional microphone that supports call noise reduction, ensuring a clear calling experience.
Last update on 2025-07-05 / Affiliate links / Images from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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