Helix
Helix DSP ULTRA XT — 16-Channel Premium Standalone DSP (2026 Flagship)
Helix DSP ULTRA XT — 16-Channel Premium Standalone DSP (2026 Flagship)
16-channel HELIX standalone DSP for multichannel and OEM integration builds. We install and tune it in North Austin. Request a quote for your system.
The Helix DSP ULTRA XT from Audiotec Fischer is a 16-channel standalone DSP for custom multichannel sound upgrades. TwinDSP Power runs two 64-bit fixed-point audio processors at 2.4 billion MAC operations per second across 12 input channels, 8 virtual channels, and 16 processed outputs. ESS Technology A/D and D/A converters with HyperStream IV, SABRE, and SABRE HIFI deliver a 128 dB signal-to-noise ratio and low distortion. It is EV-ready with an extended input voltage range and equipped with the Extension Card 2.0 slot and USB PerfectStream. As an authorized specialist, Sunshades professionally installs, integrates, and tunes the ULTRA XT at our North Austin shop. Pricing depends on your configuration. Request a quote and we'll get you an exact number.
Features
- NEW 2026 flagship. The new pinnacle of HELIX standalone DSPs
- 16 processed output channels for fully active, multiway high end systems
- TwinDSP Power: two 64-bit processors, 2.4 billion MAC operations per second
- ESS SABRE HIFI converters with a 128 dB signal-to-noise ratio
- 12-channel highlevel input for seamless factory / OEM system integration
- USB PerfectStream up to 192 kHz / 32-bit and Extension Card 2.0 expandability
- EV-ready for modern electric vehicles
- Professional installation, OEM integration, and DSP tuning at our North Austin shop
Specifications
- Type
- 16-channel premium standalone DSP
- Processing
- TwinDSP Power — 2 x 64-bit fixed-point DSP, 2.4 billion MAC ops/sec
- Channels
- 12 input / 8 virtual / 16 output
- Converters
- ESS Technology HyperStream IV, SABRE & SABRE HIFI
- Signal-to-Noise Ratio
- 128 dB (digital input, A-weighted)
- THD+N
- < 0.0003 % (digital input)
- Inputs
- 8 x RCA, 12 x highlevel (to 32 V RMS), optical & coax SPDIF, USB-C PerfectStream
- Outputs
- 16 x RCA (8 V), optical SPDIF
- Expandability
- Extension Card 2.0 slot, Smart Control Port
- EV-Ready
- Extended input voltage range up to 18 V
- Brand
- Audiotec Fischer (Germany)
Local pickup only. Call to verify inventory before pickup. These products are not sold or shipped online.
Audio, amplifiers & DSP
Will this work with my factory audio system?
Compatibility depends on the vehicle, factory audio package and the equipment being added. Send those details before ordering so we can review signal connections, channels, mounting and any required integration parts.
Does buying a DSP include tuning?
DSP equipment and professional tuning are separate unless the listing or written quote includes both. The processor needs to be configured for the speakers, amplifiers and vehicle; ask us to quote the installation and calibration together.
Does a standalone DSP replace an amplifier?
A standalone DSP processes the audio signal. A DSP amplifier combines processing and amplification. Check which type you are buying and how it fits the rest of your system.
Are speakers, grilles and adapters interchangeable?
Check the specific size, mounting requirements and supported equipment. A speaker grille or adapter is not a speaker, and a similar nominal size does not establish fitment.
Before you order
Is installation included in the price?
Installation is included only when the listing or written quote explicitly says so. Otherwise, contact us for labor, parts and scheduling for your vehicle. Buying equipment does not book an appointment.
How do I confirm vehicle compatibility?
Send your vehicle year, make, model, trim and relevant factory equipment, plus the exact product or part number. We can review the installation requirements before you purchase.
Where can I check returns and warranty coverage?
Review our Returns & Exchanges and Warranty pages before ordering. Return eligibility and manufacturer warranty coverage are separate; contact us for the terms that apply to your exact item.
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