HiFiMAN Ananda Stealth: Open-Back Reference Redefined

The Stealth Revision

HiFiMAN has long occupied a strange place in the audiophile world: a brand capable of truly world-class sound, often wrapped in build quality and quality control that gives reviewers pause. The original Ananda was a critical darling precisely because it got the important part — the sound — overwhelmingly right. The Stealth Magnet revision takes that formula and sharpens it.

The headline change is the magnet structure itself. Traditional planar magnetic headphones place magnets in the sound path, where they create reflections and refractions that smear the acoustic wave before it ever reaches your ear. HiFiMAN’s Stealth Magnet design reshapes those magnets to be acoustically transparent, letting the sound wave pass through with minimal diffraction. The result, on paper, is lower distortion and a cleaner presentation.

In practice, the difference is audible. Compared to an original Ananda, the Stealth is subtly but consistently cleaner in the upper midrange and lower treble, where diffraction artifacts tend to muddy the finest detail.

Build and Comfort

Let’s address the elephant in the room first. At $599, nobody expects machined aluminum and lambskin — but the Ananda Stealth’s yokes and gimbals are plastic, and they feel it. There is a faint creak when you adjust the fit, and the headband assembly looks more utilitarian than premium. If you are coming from a Focal or an Audeze, the tactile step down is real.

That said, HiFiMAN has learned from past criticism. The hybrid pads — fenestrated on the inside, pleather on the outside — are genuinely excellent, distributing the headphone’s 440-gram weight across a wide contact area. The clamp is gentle. For listeners with average-to-large heads, these disappear during long sessions. Smaller heads may find the enormous asymmetric earcups swim a little.

Sound Performance

This is where the Ananda Stealth justifies every word of praise. The tuning follows HiFiMAN’s house signature: a slightly mid-forward, exceptionally transparent presentation that prioritizes resolution above all.

The midrange is the star. Vocals are rendered with a startling sense of presence and texture — you hear the breath, the lip movement, the room. Acoustic instruments have body and bite in equal measure. This is a headphone that makes you want to revisit familiar recordings just to hear what was always there.

The soundstage is wide and, more importantly, deep. Open-back planars tend to do width well; the Ananda Stealth adds genuine front-to-back layering that gives orchestral and live recordings a believable sense of space. Imaging is precise without feeling clinical.

The treble is the one area that demands a conversation. It is extended, airy, and detailed — but it carries a touch of the HiFiMAN brightness that can tip into fatigue on poor recordings or bright source gear. Pair the Stealth with a warm, smooth DAC and amplifier and it sings. Feed it a harsh, sibilant chain and it will tell you about it, loudly.

The bass extends impressively deep for an open-back planar, with the linearity and control the technology is famous for. What it does not offer is slam. Bassheads and electronic-music listeners may find it polite. For acoustic, jazz, classical, and vocal-forward material, the balance is close to ideal.

Easy to Drive, Easy to Love

One of the quiet triumphs of the Ananda Stealth is its efficiency. Rated at 94dB sensitivity and a benign 25-ohm impedance, it will play to satisfying volume off a decent dongle DAC or a laptop headphone jack. It still scales — a proper desktop amp tightens the bass and opens the stage — but you are not forced into a four-figure amplifier purchase just to hear what the headphone can do. For a planar at this performance tier, that is remarkable.

Measured Performance

On the bench, the Ananda Stealth largely confirms the listening impressions. The frequency response tracks a gentle Harman-adjacent curve with the characteristic HiFiMAN treble lift around 8–10kHz. THD remains below 0.5% across the audible band at 90dB, with the Stealth Magnet design showing a measurable reduction in upper-midrange distortion versus the outgoing model. Channel matching on our review pair was excellent — a welcome sign that HiFiMAN’s quality control continues to improve.