Introducing the SMSL H300 Headphone Amplifier

When it comes to true audiophile experiences, sometimes less is more. That's precisely the mantra that the SMSL H300 Headphone Amplifier seems to swear by. Stripped down to its bare essentials, the H300 offers an undiluted, pure audio experience without any distracting bells and whistles. However, don't mistake its simplicity for lack of prowess.

Focused on Essentials, Minus the Frills

The H300's design philosophy revolves around delivering the best audio quality possible. Its design is streamlined, with an ultra-simple user interface that ensures you focus solely on what matters most - the sound.

High Power in a Balanced Design

Despite its simple approach, the H300 comes with a robust fully balanced design that delivers an impressive power output. Capable of pushing out up to 10W at 16ohms and 5W at 32 ohms, it stands ready to drive a wide variety of headphones, matching their power needs efficiently.

Reduced Noise, Enhanced Sound

What gives the H300 its exceptional performance? It's all about the op-amp configuration. Each channel utilizes 32 pieces of low-noise op-amps running in parallel. This unique design significantly reduces noise and enhances the overall sound quality, delivering a clean and highly engaging audio experience.

Catering to All Audio Devices

Designed with versatility in mind, the H300 comes with switchable gain control offering high, medium, and low levels, ensuring optimal compatibility with all kinds of audio devices. It also features a low gain setting that's been specifically optimized for IEMs.

Compact and Classy

The H300's ultra-compact design makes it a perfect fit for desktop headphone systems. It also sports a vintage toggle switch design that adds a touch of class to your audio setup, marrying simplicity with style.

Uninterrupted Performance

Incorporating a built-in high-efficiency, low-noise power supply system, the H300 assures long hours of optimal performance, promising an immersive audio session that lasts as long as you want it to.

Product highlights

  • JAS Hi-Res Certification
  • Fully balanced design
  • High power output
  • SNR up to 133dB
  • Distortion as low as 0.00006%
  • 64 pieces high-power op-amp
  • Three-position gain control
  • Vintage toggle switch design
  • Preamp output

Want to get more acquainted with the SMSL H300 Headphone Amplifier? Head on over to the SMSL H300 product page for more details. Our dedicated Support Team is always ready to assist if you need further information, so don't hesitate to reach out. You can contact us via live chat online or email us at

When you buy from us, you're not just purchasing a product; you're investing in an experience that comes backed with the Apos Promise. This includes Free Priority Shipping, an Extended One-Year Transferable Warranty, a 45-Day Return Policy, and our 30-Day Lowest Price Match.