DSP ULTRA XT 12-channel high-resolution digital signal processor

Helix
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€ 2067,00
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HELIX DSP ULTRA XT 16-channel DSP, 12-channel high-level input, ACO platform and USB PerfectStream

HELIX NEXT DSP ULTRA XT is a stand-alone 16-channel digital signal processor (DSP) designed for multi-channel car audio systems and integration with complex OEM installations. It features 8 RCA inputs, 12 High Level inputs up to 32 V RMS, SPDIF optical and coaxial digital inputs, SPDIF optical output, USB-C port with USB PerfectStream technology and Extension Card 2.0 slot for connection expansion.

The internal architecture manages 12 input channels, 8 virtual channels and 16 processable output channels, offering high flexibility in signal routing management. The USB-C port supports audio signal transmission up to 192 kHz / 32 Bit and also enables configuration via DSP PC-Tool 6 software. Signal conversion is entrusted to ESS Technology A/D and D/A converters with HyperStream® IV architecture and SABRE and SABRE HIFI® technology. Internal processing operates at 96 kHz / 32 Bit, with a signal-to-noise ratio of 128 dB, total harmonic distortion below 0.0003% THD+N and a maximum output voltage of 8 V.

The DSP uses two 64-bit fixed-point audio DSP processors capable of executing up to 2.4 billion MAC operations per second, supported by the 32-bit ACO platform for managing control functions, audio processing and communication with configuration software. Configuration is performed via DSP PC-Tool 6, which includes dedicated functions such as TuneEQ, TuneToTarget, AISA and Virtual Channel Processing for managing multi-channel systems and analyzing signals from the vehicle's original audio systems.

Features

  • ESS Signal Converters - When every detail matters, conversion must be at reference level. That is why the HELIX NEXT DSP ULTRA XT is equipped with high-quality A/D and D/A converters from ESS Technology with HyperStream® IV architecture, plus SABRE and SABRE HiFi® technologies - widely considered the reference standard in high-end ADC and DAC design. This creates an exceptionally high quality foundation for all signal processing within the DSP.
  • The result is precise conversion with wide dynamic range and extremely low distortion, preserving the finest details, tonal nuances and spatial information with exceptional clarity. For the listener, this means maximum transparency, precise detail reproduction and a natural sonic signature from input to output.
  • USB PerfectStream - USB PerfectStream technology expands the signal processor's capabilities with a powerful bidirectional USB audio interface. It enables lossless high-resolution audio streaming up to 192 kHz / 32 bit, allowing you to transmit music content or test signals directly from a computer or smartphone to the DSP.
  • Furthermore, USB PerfectStream allows you to send audio data from individual DSP channels to the computer in real time and at high resolution. This makes it possible to process and fine-tune these signals within our Advanced Input Signal Analyzer, using input processing to correct and optimize them with precision.
  • Intelligent ADEP.3 High Level Input - Modern factory-installed head units incorporate sophisticated methods for diagnosing connected speakers. In particular, the latest generation of head units is equipped with advanced monitoring functions, which can often cause error messages or loss of specific features (for example, the fader function) when a common signal processor is connected.
  • The ADEP.3 circuit (Generation 3) meets the needs of these advanced OEM systems and ensures perfect integration. Controlled by the ACO platform, the system is future-proof and designed to flexibly adapt to changes in head unit diagnostics.
  • This ensures maximum compatibility with virtually all factory head units, without unnecessarily overloading speaker outputs at high volumes.
  • Power Saving Mode - Power saving mode allows you to significantly reduce the power consumption of the audio system when no music signal is detected for a given period of time.
  • When power saving mode is active, the remote output is automatically disabled. As soon as a music signal is detected again, the device returns to normal operation within approximately 2 seconds. The shutdown delay can be adjusted or completely disabled via DSP PC-Tool software.
  • Start-Stop Functionality - The switching power supply ensures constant internal power supply voltage even in case of brief voltage drops down to 6 Volts (e.g., during engine start), so that the device functionality remains stable and is not affected.

DSP ULTRA XT Features

  • High-end stand-alone 16-channel DSP for particularly demanding multi-channel audio enhancement interventions
  • TwinDSP Power - two extremely powerful "fixed-point" audio DSPs with 64-bit resolution and 2.4 billion MAC operations per second, for complete audio customization of all processed channels:
    • 12 input channels
    • 8 virtual channels
    • 16 output channels
  • High-performance A/D converter with ESS technology, HyperStream® IV architecture and SABRE technology, as well as D/A converter with HyperStream® IV architecture and SABRE HIFI® technology for exceptionally pure signal quality, high detail resolution and precise, low-noise, low-distortion signal processing from input to output
  • EV-Ready - extended input voltage range up to 18 V for stable operation even in electric vehicles with higher onboard voltages
  • State-of-the-art audio signal path for minimized distortion and unparalleled sound quality
  • High-quality RCA / Cinch connectors for reliable and mechanically stable connections and always clean signal transmission
  • 12-channel high-power high-level input with input sensitivity up to 32 V RMS and ADEP.3 circuit for perfect integration into factory audio systems
  • USB PerfectStream technology - lossless high-resolution audio streaming (up to 192 kHz / 32 bit), AISA measurement (Advanced Input Signal Analyzer) and simultaneous DSP configuration via USB-C
  • The VCP (Virtual Channel Processing) offers exceptional flexibility in configuring complex audio systems, thanks to:
    • Cross group equalizers acting simultaneously on multiple output channels
    • Multi-way configuration of DSP sound effects (SFX)
    • Additional features such as rear attenuation
  • ACO - Advanced platform with 32-bit coprocessor for system and DSP functions such as:
    • AISA (Advanced Input Signal Analyzer) and InputEQ for easy analysis and correction of input signals
    • DLC (Dynamic Loudness Control) and RTC (Remote Tone Control) for dynamic adjustment based on volume of high and low frequencies
    • Proprietary TuneEQ function for automatic adjustment of input, virtual and output equalizers
    • SFX sound effects - Enhanced bass processing, RealCenter and others
  • Extension Card 2.0 slot for additional system components such as HD Bluetooth® audio streaming, supplementary analog inputs or future signal sources
  • Two digital inputs (optical and coaxial) and one optical digital output in SPDIF format allow an entirely digital signal path from source to connected component
  • SCP (Smart Control Port) compact and future-proof for connecting remote controls and accessories
  • New and distinctive housing design with heatsink look, beveled edges and high-quality RCA / Cinch connectors, which visibly emphasizes the high-end standards and extraordinary DSP performance
  • Maximum control with DSP PC-Tool 6 - professional software for precise amplifier configuration and accurate sound adjustment within the vehicle

1 x HELIX NEXT DSP ULTRA XT signal processor 1 x USB-C cable with USB-A adapter 1 x Mounting material 1 x Instruction manual

Helix DSP ULTRA XT Technical Specifications

  • Inputs
    • 8 x RCA / Cinch
    • 12 x High Level Speaker Input
    • 1 x SPDIF Optical (24 - 96 kHz)
    • 1 x SPDIF Coaxial (24 - 192 kHz)
    • 1 x Extension Card 2.0
    • 1 x USB PerfectStream (44.1 - 192 kHz)
  • Input Sensitivity
    • RCA / Cinch: 1 - 8 Volt
    • High Level: 4 - 32 Volt
  • Outputs
    • 16 x RCA / Cinch
    • 1 x SPDIF Optical (96 kHz)
    • 1 x Remote Output
  • Output Voltage 8 Volt
  • Frequency Response 10 Hz - 44,000 Hz
  • DSP Resolution 64 bit
  • DSP Power 2 x 295 MHz (2.4 billion MAC operations per second)
  • Sampling Frequency 96 kHz
  • DSP Type 2 x audio signal processors
  • Signal Converters ADC: ESS Technology ES9841Q with HyperStream® IV architecture
  • and SABRE technology DAC: ESS Technology ES9081Q with HyperStream® IV architecture and SABRE HIFI® technology
  • Signal-to-Noise Ratio digital input (A-weighted at 1 kHz) 128 dB
  • Signal-to-Noise Ratio analog input (A-weighted at 1 kHz) 116 dB
  • Total Harmonic Distortion (THD+N at 1 kHz) digital input <= -110 dB / 0.0003 %
  • Total Harmonic Distortion (THD+N at 1 kHz) analog input <= -108 dB / 0.0004 %
  • Intermodulation Distortion (IMD) at 1 kHz, digital input <= -102 dB / 0.0008 %
  • Intermodulation Distortion (IMD) at 1 kHz, analog input <= -102 dB / 0.0008 %
  • Crosstalk at 10 kHz > 100 dB
  • Operating Voltage 9.6 - 18 Volt (max. 5 sec. down to 6 Volt)
  • Nominal Power 12 V DC ? 1.2 A max.
  • Current Consumption 800 mA
  • Remote Output Maximum Current 500 mA
  • Operating Temperature Range -40 °C to +70 °C
  • Additional Features Extension Card 2.0 slot, GND link switch, Smart Control port, 32-bit coprocessor, ADEP.3 circuit, Auto Remote switch, USB-C, USB PerfectStream
  • Dimensions (H x W x D) 55 x 255.6 x 170 mm
€ 2067,00 Price incl. VAT