OC818 Studio Set – Premium Large-Diaphragm Condenser Microphone

The Austrian Audio OC818 is a state-of-the-art studio microphone, hand-built in Vienna. Featuring the CKR12 ceramic capsule — a technological evolution of the iconic AKG CK12 — it delivers warm, detailed sound and extremely low pair-matching tolerance (±1 dB).

• Four polar patterns (cardioid, omnidirectional, figure-8, supercardioid), plus a preset mode for customized directional settings.
• Dual XLR outputs allow stereo or dual-mic (front/back) recording configurations.
• Analog control – pad (-10/-20 dB) and high-pass filter (40/80/160 Hz), with remote adjustment via the PolarPilot app and PolarDesigner plugin.
• Extremely low self-noise of just 9 dB SPL, frequency range of 20 Hz–20 kHz, and max SPL of 148 dB (158 dB with pad) – perfect for vocals and instruments.
• Complete Studio Set: microphone, OCS shock mount, OCH mic clip, OCW8 windscreen, Mini-XLR to XLR cable, protective case.

The OC818 is an all-purpose solution for studio, broadcast, and live recordings – offering unmatched sound quality and versatile control over polar response.

Hi‑X55 – Closed-Back Reference Headphones

The Hi‑X55 are Austrian Audio’s first closed-back monitoring headphones, designed by former AKG engineers. Featuring hand-built 44 mm High Excursion (Hi‑X) drivers, they deliver clean, transparent sound with great stereo imaging.

• Neutral, analytical sound with defined lows and crisp highs – ideal for mixing and mastering.
• All-metal build, foldable earcups, and carry pouch – built to last and travel-ready.
• All-day comfort – memory foam padding, adjustable headband, and low clamping pressure.
• 25 Ω impedance – easy to drive from interfaces, includes 3 m cable with 3.5 mm plug + adapter.

Hi‑X55 headphones offer accurate reference listening and exceptional comfort – perfect for professional studio use.

Use Cases

The OC818 + Hi‑X55 combo provides a complete audio chain: a premium recording microphone and precision headphones for monitoring and mixing. Ideal for vocals, instruments, podcasting, broadcasting, post-production, and home studio work.