HELIX
HELIX NEXT DSP ULTRA XT 16-Channel High-End Signal Processor
Standalone DSP
Why choose this product?
The HELIX NEXT DSP ULTRA XT is Audiotec Fischer's flagship 16-channel standalone digital signal processor, built for high-end multi-channel systems and complex factory-audio integration.
Reference-grade signal processing
ESS HyperStream IV SABRE A/D and SABRE HiFi D/A converters, two 64-bit audio DSPs and a 96 kHz / 32-bit signal path deliver exceptionally precise, low-noise processing across sixteen output channels.
Flexible system integration
- 8 RCA and 12 high-level inputs
- 16 RCA outputs plus optical SPDIF output
- Optical and coaxial SPDIF inputs
- USB PerfectStream via USB-C up to 192 kHz / 32-bit
- Extension Card 2.0 slot and Smart Control Port
- ADEP.3, ACO, AISA, TuneEQ, VCP and HELIX SFX processing
- EV-ready 9.6-18 V operating range
Technical highlights
- Maximum output voltage: 8 V
- Signal-to-noise ratio: 128 dB digital / 116 dB analog
- Frequency response: 10 Hz-44 kHz
- Dimensions: 55 × 255.6 × 170 mm
- Made in Germany
What is included
- HELIX NEXT DSP ULTRA XT signal processor
- USB-C cable with USB-A adaptor
- Mounting material
- Instruction manual
Download the official manual · View manufacturer information
Technical specifications
- DSP channels
- 16
- Inputs / outputs
- 8 RCA inputs; 12 high-level inputs; optical and coaxial SPDIF inputs; USB-C; 16 RCA outputs; optical SPDIF output
- Internal sample rate
- 96
- DSP resolution
- 64
- Maximum output voltage
- 8
- Frequency response
- 10-44,000
- Signal-to-noise ratio
- 128 digital; 116 analog
- Operating voltage
- 9.6-18
- Dimensions (H × W × D)
- 55 × 255.6 × 170
Compatibility and support
For vehicle-specific advice, send your vehicle make, model, year, current factory audio setup and what you want to improve.
We reply by email or WhatsApp so you have the recommendation in writing.
Need fitment help?
Ask before ordering if the vehicle, wiring or DSP setup is unclear.
Send the make, model, year, factory audio setup and what you want to improve. We’ll reply in writing so you have the advice to refer back to.