10 Best Headphone Amplifiers 2025 in the United States

The iFi xDSD Gryphon is a portable balanced DAC and headphone amplifier designed for high-resolution audio enthusiasts. It boasts impressive power output of 1000mW, ensuring it can drive a wide range of headphones with ease. Impedance matching is handled effectively with built-in iEmatch and auto-gain technology, which automatically adjusts the output to suit the sensitivity of different headphones and in-ear monitors. This makes it versatile and user-friendly for various audio setups.

The Gryphon offers ultra-low Total Harmonic Distortion, providing clear and accurate sound reproduction. The Signal-to-Noise Ratio is optimized for cleaner playback, making it suitable for critical listening and audiophile use. Gain control is robust and adaptive, further enhancing its usability with different headphones. Additionally, the Gryphon supports full MQA decoding and native DSD up to DSD512, catering to high-resolution audio formats. The device is compact and lightweight at 7.6 ounces, making it highly portable, and its sleek military-grade aluminum design adds durability and a premium feel.

Connectivity is diverse with Bluetooth 5.1, USB-C, S-PDIF, and analog inputs/outputs, offering flexibility for various audio sources. Advanced features like XBass and xSpace settings further enhance the listening experience. However, it’s worth noting that it does not include a TOSLINK Mini-Plug to TOSLINK Adapter, which might be necessary for some users. For those looking for a high-performance portable headphone amplifier with advanced features and multiple connectivity options, the iFi xDSD Gryphon is a strong contender.

The CHORD ELECTRONICS Mojo 2 stands out in the headphone amplifier category with several notable strengths. Its power output is solid, ensuring a high-quality and robust audio experience. The device offers versatile input options, including Micro USB, coaxial, and optical TOSLINK, all supporting high-resolution audio formats. This versatility makes it compatible with a range of devices, from personal computers to smartphones and tablets.

Impedance matching is well-managed, enhancing the listening experience across different headphones. The low Total Harmonic Distortion (THD) ensures clarity and precision in audio playback, while a high Signal-to-Noise Ratio (SNR) minimizes background noise, providing an immersive sound experience. Gain control is available for fine-tuning audio output to match personal preferences and headphone specifications.

Portability is a significant advantage, given its compact dimensions (3.26 x 2.44 x 0.9 inches) and lightweight design (10.8 ounces), making it easy to carry and use on the go. However, it may not be the best option for users seeking a budget-friendly amplifier, as it ranks relatively high in price. Additionally, while it offers extensive compatibility, it might require additional adapters for certain devices, which could be an inconvenience. The Mojo 2 is a powerful, versatile headphone amplifier that excels in audio quality and portability, suitable for audiophiles and those looking for high-end performance.

The FIIO K11 Desktop Headphone DAC & Amplifier is a powerful unit designed for home audio and PC use. With a power output of 1400W, it can drive most headphones efficiently. Its impedance matching capability is suitable for headphones with impedance starting from 16 Ohms, making it versatile. The gain control is supported, allowing users to adjust the amplification level to match different headphones and listening preferences.

Portability is somewhat limited due to its desktop form factor and 2.2-pound weight, making it more suitable for a stationary setup rather than on-the-go use. The variety of inputs and outputs, including USB, coaxial, optical, 6.35mm, 4.4mm headphone out, and RCA line-out, provides flexibility in connectivity options. The aluminum alloy body ensures durability and a sleek, compact design which is aesthetically pleasing for any workspace.

The high-definition VA display is a nice touch for ease of use, showing relevant device statuses like sampling rate and volume. This headphone amplifier is great for users looking to enhance their home audio setup with powerful, high-quality sound, though it may not be ideal for portable use due to its size and weight.