description FiiO E17 Overview
The FiiO E17 is a high-performance USB DAC that delivers excellent sound quality with its multi-bit design and balanced output. It supports up to 384kHz/32-bit resolution, making it ideal for high-resolution audio playback. The E17 is known for its clean, detailed sound and excellent build quality. It is compatible with a wide range of devices and is a favorite among audiophiles for its ability to enhance the listening experience.
info FiiO E17 Specifications
| Snr | >110dB (A-weighted) |
| Thd N | <0.001% (1kHz, 10k ohms load) |
| Inputs | USB Type-B, Optical S/PDIF, Coaxial S/PDIF |
| Weight | 162g |
| Outputs | 3.5mm headphone jack, 3.5mm line out |
| Dac Chip | Texas Instruments PCM1798 |
| Dimensions | 118mm x 62mm x 21mm |
| Battery Life | 10-12 hours (dependent on usage) |
| Output Power | >200mW (16 ohms, single-ended) |
| Battery Capacity | 1400mAh lithium-polymer |
| Frequency Response | 20Hz-20kHz (±0.5dB) |
| Maximum Resolution | 384kHz/32-bit |
balance FiiO E17 Pros & Cons
- Supports high-resolution audio up to 384kHz/32-bit for detailed, lossless playback
- Balanced output option provides better channel separation and reduced noise
- Multiple input options including USB, optical, and coaxial for versatile connectivity
- Clean and detailed sound signature with low distortion across the frequency range
- Compact and portable design with built-in battery for on-the-go use
- Solid build quality with aluminum chassis for durability and heat dissipation
- Battery life is limited to approximately 10-12 hours, requiring frequent recharging
- No wireless connectivity options like Bluetooth or Wi-Fi
- Power output may be insufficient for demanding high-impedance headphones (150+ ohms)
- Can generate noticeable heat during extended USB playback sessions
- Lacks advanced features like gain switching or built-in streaming services
help FiiO E17 FAQ
What headphones can the FiiO E17 power effectively?
The E17 works well with headphones from 16-150 ohms impedance. IEMs and most consumer over-ear headphones are driven cleanly, though very demanding high-impedance studio monitors may benefit from a desktop amplifier.
Does the FiiO E17 support DSD audio formats?
The E17 supports DSD64 and DSD128 formats through DoP (DSD over PCM) when connected via USB, though native DSD support requires specific driver installation on Windows systems.
Can I use the FiiO E17 as a standalone headphone amplifier?
Yes, the E17 functions as both a DAC and headphone amplifier. You can connect external audio sources via optical or coaxial inputs to use only the amp section without computer connection.
How does the E17 compare to newer FiiO models like the E17K?
The E17K offers improved power output and a more refined UI with scroll wheel control. However, the original E17 remains competitive in sound quality and is often available at lower secondhand prices.
What is the battery life when using balanced output?
Using balanced output at moderate volumes reduces battery life to approximately 7-9 hours compared to 10-12 hours in single-ended mode, due to increased power consumption from driving both channels simultaneously.
What is FiiO E17?
How good is FiiO E17?
What are the best alternatives to FiiO E17?
What is FiiO E17 best for?
Audiophiles and music enthusiasts seeking a portable USB DAC/amplifier with balanced output for high-resolution audio playback on the go or at a desktop setup.
How does FiiO E17 compare to Chord Mojo?
Is FiiO E17 worth it in 2026?
What are the key specifications of FiiO E17?
- SNR: >110dB (A-weighted)
- THD N: <0.001% (1kHz, 10k ohms load)
- Inputs: USB Type-B, Optical S/PDIF, Coaxial S/PDIF
- Weight: 162g
- Outputs: 3.5mm headphone jack, 3.5mm line out
- DAC Chip: Texas Instruments PCM1798
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