Description
HELIX DSP MINI MK2 – 6-Channel Digital Signal Processor | 4 Inputs
Bring greater control and clarity to your car audio system with the HELIX DSP MINI MK2. This compact digital signal processor combines four analogue input channels, six RCA outputs and advanced tuning features, making it a versatile foundation for your next audio upgrade.
With a 24-bit/96 kHz signal path, powerful 64-bit audio processing and BurrBrown converters, the DSP MINI MK2 delivers precise signal processing in a compact package.
High-Resolution Processing for Detailed Sound
The HELIX DSP MINI MK2 combines a 96 kHz sampling rate with audio bandwidth extending beyond 40 kHz. Meanwhile, its BurrBrown analogue-to-digital and digital-to-analogue converters support accurate signal conversion throughout the audio path.
A maximum output voltage of 6 volts provides a strong signal for compatible amplifiers. In addition, improved signal-to-noise performance and reduced distortion help preserve detail, from quieter passages to more demanding recordings.

Advanced Tools to Shape Your Sound
At its core, the ACO platform with a 32-bit coprocessor manages control functions and enables advanced HELIX sound processing.
Channel-specific Input EQ and the Input Signal Analyzer (ISA) help your installer assess and adjust the incoming audio signal. As a result, they can address source-related tonal imbalances before fine-tuning your system.
Additional processing features include:
- Augmented Bass Processing: Dynamically enhances subwoofer bass reproduction.
- RealCenter: Generates a dedicated centre-channel signal to support a focused soundstage for both front occupants when used with a suitable centre speaker.
- DSP PC-Tool configuration: Provides access to system setup and sound adjustments.
Flexible Integration with Your Car Audio System
The DSP MINI MK2 accepts four channels of RCA or high-level speaker input, providing connection options for compatible factory and aftermarket systems. An optical SPDIF input also supports a digital audio source.
Furthermore, ADEP.3 high-level input circuitry helps prevent diagnostic issues associated with connecting aftermarket equipment to factory radios. Automatic turn-on functionality adds further installation flexibility.


Compact Installation with Smart Accessory Control
Measuring just 177 mm wide, 104 mm deep and 40 mm high, this HELIX car audio DSP suits installations where space is limited.
The Smart Control Port (SCP) connects and powers compatible accessories through a secure connection. Its snap-in design also helps reduce strain on plugs and cables in confined installation spaces.
Expand Your System with Optional HEC Modules
The integrated HELIX Extension Card slot lets you expand the system further. With a compatible optional HEC module, you can add features such as Bluetooth audio streaming or high-resolution USB audio streaming.
These streaming functions require the appropriate expansion module.
Upgrade Your Sound at Sound Garage
Ready to get more from your car audio system? Visit Sound Garage in Kippa-Ring, servicing Redcliffe and the Moreton Bay region. Talk with our team about the HELIX DSP MINI MK2, professional installation and tuning to suit your vehicle and listening preferences.
Sound Garage — Driven by Passion.











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