HELIX HEC OPTICAL IN DSP PRO MK2 – Premium Extension Card to Add Optical Input to Your HELIX Devices

pgrade your HELIX device with the HEC OPTICAL IN extension card. Optical input in SPDIF format, supports stereo PCM up to 96 kHz sampling rate.

If you’re serious about crystal-clear digital audio in your car, the HELIX HEC OPTICAL IN extension card is exactly what you need. Designed for HELIX amplifiers and DSP units, this extension card adds a dedicated optical input in SPDIF format, supporting stereo PCM signals with sampling rates up to 96 kHz. It’s the perfect upgrade for connecting high-quality digital signal sources, delivering pristine sound with minimal jitter.

Ideal for audiophiles and car audio enthusiasts looking to extend their HELIX devices, this module features a low-jitter clock recovery system and high jitter immunity to ensure your audio stays clean and precise. The automatic signal detection makes setup seamless, while the included device-specific side panel means it fits perfectly with your HELIX gear right out of the box.

Whether you’re integrating a digital source like a CD transport, media streamer, or other SPDIF-compatible device, the HELIX HEC OPTICAL IN extension card is built to deliver professional-grade audio performance every time.

Features

• Accepts all digital sources with SPDIF format (stereo PCM only)

• Input sampling rate from 28 kHz to 96 kHz / 24 Bit

• High jitter immunity for cleaner sound reproduction

• Automatic signal detection for easy plug-and-play setup

• Low-jitter clock recovery system ensures stable, accurate audio timing

• Device-specific side panel included for a seamless fit with your HELIX device

Technical Specifications

• Input sampling rate: 28 kHz to 96 kHz / 24 Bit

• Input format: SPDIF (stereo PCM only)

• Additional features: Low-jitter clock recovery system

Scope of Delivery

• 1 x HEC OPTICAL IN module

• 1 x Device-specific side panel

• 1 x Allen screw

• 1 x Allen key

• 1 x Instruction manual

Upgrade your car audio setup with the HELIX HEC OPTICAL IN extension card and experience the clarity and precision of digital audio at its best. Designed for seamless integration and superior performance, this extension card is the smart choice for any HELIX device owner aiming to connect digital signal sources with confidence and ease.