2 Strong Alternatives to the Sennheiser HD 600 for Open-Back Audiophile Listening

If you’re shopping for alternatives to the Sennheiser HD 600, the main question is usually not whether it’s a good headphone — it absolutely is — but whether another model gives you a better fit for your budget, source gear, and taste in sound. The HD 600’s appeal is its famously natural midrange, smooth treble, and honest, studio-friendly presentation. But both of the alternatives below take a different route, and that difference matters in real listening.

HIFIMAN SUNDARA Planar Magnetic Over Ear Hi-Fi Headphones — £169.00, 4.4★

At £169, the Sundara comes in a full £160.99 cheaper than the HD 600, which is a huge saving if you’re trying to build a better all-round system without blowing the budget. On paper, the Sundara is the more modern engineering choice: it uses planar magnetic drivers rather than the HD 600’s dynamic drivers. In practice, that means faster transient response, tighter bass texture, and a more immediate sense of detail on cymbals, strings, and electronic textures. Where the HD 600 can sound a touch relaxed and intimate, the Sundara tends to feel more expansive and crisp, with a cleaner edge definition around instruments.

That said, the trade-off is character. The HD 600 is loved for its midrange realism — vocals, pianos, and acoustic guitars sound beautifully natural and proportionate. The Sundara is more analytical and more obviously hi-fi in presentation. If you want to hear into a recording, especially with well-mastered jazz, classical, progressive rock, or electronic music, the Sundara can be thrilling. But if you value that slightly warm, easygoing Sennheiser tonality that flatters long listening sessions, the Sundara may feel less forgiving on bright recordings.

Build quality is a mixed bag. The HD 600’s construction is understated but proven: lightweight plastic, a well-known modular design, and a fit that has made it a studio staple for years. The Sundara feels more modern and premium at a glance, with metal accents and a sleeker aesthetic, but HIFIMAN’s long-term durability record is not quite as bulletproof as Sennheiser’s. The Sundara is also heavier in use, and while its clamping force is generally comfortable, some listeners prefer the lighter, more effortless wear of the HD 600 during long sessions.

From a system-matching perspective, the Sundara’s planar driver benefits from a decent amplifier with real current delivery. It is not impossibly hard to drive, but it rewards a proper desktop DAC/amp more clearly than a phone or weak dongle. The HD 600 also likes amplification — its 300 ohm impedance means it wakes up properly with a capable amp — but the Sundara’s hunger for power can be a little more obvious. If you already own a solid headphone amp, that’s less of an issue; if not, the Sennheiser may be the easier, more familiar load.

Verdict: choose the Sundara if you want maximum performance per pound, faster transients, punchier bass texture, and a more revealing planar sound. It’s the better pick for listeners who prefer detail and separation over warmth and midrange romance. If your priority is natural vocal timbre and a softer, more forgiving long-listen signature, the HD 600 still has the edge.

HiFiMAN Edition XS Stealth Magnets Planar Magnetic Hi-Fi Headphones + Headphone Travel Case — £189.00, 4.2★

The Edition XS costs £140.99 less than the HD 600, so it sits in a very attractive middle ground: still significantly cheaper than the Sennheiser, but with a more spacious, more ambitious soundstage than the Sundara. This is the model to look at if your main complaint with many open-backs is that they sound too closed-in. The Edition XS is known for its wide, airy presentation, and that sense of scale can be addictive with live recordings, orchestral music, ambient, and cinematic soundtracks.

Its planar magnetic architecture, combined with HIFIMAN’s stealth magnet design, aims to reduce distortion and improve airflow around the diaphragm. The practical result is a presentation that can feel more effortless and open than the HD 600, especially at the edges of the stage. Compared with the Sennheiser, the Edition XS tends to sound bigger, cleaner, and more spacious, with stronger sub-bass reach and a more dramatic sense of separation between instruments. If you’ve ever wanted the HD 600’s openness turned up a notch, this is very much the sort of alternative that delivers that feeling.

But the compromise is that the Edition XS is less consistently natural in the midrange. The HD 600 remains the safer choice for vocal purity, acoustic realism, and that classic “nothing added, nothing taken away” balance. The Edition XS can sound more impressive and expansive, but also a little less grounded and a little less tonally coherent depending on the recording and chain. Its 4.2★ rating also suggests that, while many users love it, it is a more divisive headphone than the HD 600 — usually because people either adore the huge presentation or find the fit and tuning less universally appealing.

Build quality is again a point of contrast. The HD 600 is conservative and robust in a way that inspires confidence over years of ownership. The Edition XS feels more feature-rich for the price, and the included travel case adds practical value, but it does not have quite the same reputation for timeless, no-nonsense durability. The larger frame and more ambitious design can also make it feel less elegant on the head than the Sennheiser, depending on your head shape. Comfort is subjective here: some listeners love the spacious fit, while others find the bulk more noticeable over long sessions.

Amplification matters here too. Like most planar magnetics, the Edition XS benefits from a proper amp with solid power reserves. It is the kind of headphone that can sound merely good from a weak source, but genuinely impressive from a capable DAC/amp stack. If you’re pairing with a desktop setup, it can scale nicely and deliver a very engaging, high-end feel for the money. If you’re mostly using portable gear, the HD 600 may be easier to live with despite its own need for decent amplification.

Verdict: choose the Edition XS if you want the biggest soundstage, the most expansive presentation, and deeper sub-bass authority at a still-reasonable price. It’s ideal for orchestral, live, ambient, and immersive listening. If your priority is tonal accuracy, vocal realism, and a more proven all-rounder, the HD 600 remains the more universally trusted option.

Which alternative is best overall?

If you want the closest thing to a true upgrade in sheer technical performance for less money, the HIFIMAN Edition XS is the most ambitious option here. If you want the best value and a more balanced leap over the HD 600’s price, the Sundara is the smarter buy. The HD 600 still wins on midrange naturalness, long-term comfort, and that familiar Sennheiser tuning that so many audiophiles trust for critical and relaxed listening alike.

In other words: the Sundara is the sharper bargain, the Edition XS is the more spacious showpiece, and the HD 600 is still the reference for anyone who wants a beautifully judged, musically honest open-back headphone that just gets out of the way of the recording.