Draupnir began as a passion project and, over 1.5 years of prototyping with community feedback, became a production headphone. The brief was simple: deliver an engaging, spacious listen with real bass impact in an open-back format—without smothering the drivers in damping.
Acoustic architecture
Dual 50 mm glass-diaphragm drivers are used to share the low-frequency workload, preserving punch and headroom that open-backs often lack.
A precisely shaped acoustic lens manages phase, constructive/destructive interference, and time alignment so the pair presents as one coherent source.
Bass on demand
A baffle-mounted bass-boost switch adds approximately 6–8 dB in the bass region, with the effect rolling off above ~100 Hz. It’s there for those tracks and moments that call for extra weight, and out of the way when they don’t.
Tuning
Draupnir is voiced to be fun and engaging, not strictly neutral. Expect solid, quick low end, a touch of upper-mid lift to keep vocals and guitars vivid, and an overall balance that aims to sound natural over long sessions
Materials & manufacturing
MJF nylon enables the acoustic lens geometry that would be impractical with traditional manufacturing methods. As a bonus, nylon’s inherent damping helps to reduce internal vibrations.
Forged carbon fibre is used for the cups and stiff headband elements. Its discontinuous fibre structure offers excellent strength-to-weight and resonance control
Woven carbon fibre is used only in the flexible headband elements that set the clamp force, where predictable flex and long-term stability matter.
The design targets low mass, high durability, and modular design
Comfort & fit
The headband system is designed for long-wear comfort, distributing load evenly and avoiding hot spots. Clamp is tuned via the woven-carbon headband and remains consistent over time.
The SLS-printed TPU strap balances the load across the head to minimize hot spots; the breathable hole pattern helps heat dissipate.
Pads & modularity
Pads are magnetic and easily swappable, making maintenance and tuning simple. We’ll provide a 3D-printable pad ring so you can adapt other pads if you like to experiment.
Cable & connectivity
Each unit ships with a 6ft Viking Weave Cables “Hel” silver-plated copper cable in your preferred termination. The headphones use a dual 3.5mm plug design.
Tech specs (pre-production)
Type: Open-back, over-ear
Drivers: Dual 50 mm glass diaphragms
Impedance: ~7 Ω without bass boost, ~74 Ω with bass boost
Sensitivity: Without bass boost: 111dB/1V or 89dB/mW / With bass boost: 89dB/1V or 78dB/mW
Frequency response: TBC (final FR plot to be provided)
Bass boost: +6–8 dB, effect tapers above ~100 Hz
Weight: target ~400 g (current prototype 390 g)
Cable: Viking Weave “Hel”, silver-plated copper, 6 ft
Case: Hard-shell included
What’s in the box
Draupnir headphones
Viking Weave Cables “Hel” cable (6 ft, dual 3.5 mm headphone-side)
Hard-shell case
Magnetic pad ring (installed) + extra set + STL link for 3D-printing alternate rings
Quick start & care card