Topping EHA5

StereoNET calls the EHA5/SR-L300 pairing clean and sweet, with an “unrivalled” level of timbral resolution, accuracy and musical coherence. It also reports fantastic focus and transparency, uncovering small recorded details the reviewer had not previously heard outside electrostatic listening.

The presentation is described as sweet, accurate and musically coherent rather than merely analytical. Vocal expressiveness, instrumental realism and emotional engagement are singled out, particularly on Norah Jones and orchestral material.

StereoNET praises a “trip-hammer” transient response with openness, delicacy and subtlety beyond the reviewer's far more expensive AMT reference headphones. The system conveys much of rock music's slam and drive, although its greatest strengths emerge with more naturally recorded music.

The supplied reviews do not directly discuss hiss, hum or background silence. They do describe a clean and transparent result with the SR-L300, but provide no specific evidence from exceptionally sensitive electrostatic headphones.

This is a dedicated Stax-compatible electrostatic energizer rather than a universal dynamic or planar headphone amplifier. Low and high gain settings support different electrostatic sensitivities, and the high-gain setting drove the SR-L300 successfully, albeit with the volume control commonly around two or three o’clock.

Reviewers describe a compact aluminium chassis with a matt-black finish, glass front and a substantial-feeling volume control. The supplied coverage is positive about finish and presentation, but says little about internal construction or long-term durability.

The EHA5 includes a Stax five-pin output, low/high gain selection, RCA and balanced XLR connectivity, pass-through outputs, a 12V trigger and USB-C firmware updating. It is purposefully focused rather than a DAC/amp hub, but its controls and system-integration features are useful for an electrostatic setup.

At roughly £450/$400, reviewers see the EHA5 as making electrostatic listening markedly more accessible. StereoNET considers a sub-£1,000 EHA5/SR-L300 system serious value, while Z Reviews found the $400 amplifier compelling enough to keep readily available on the desk.