Product overview
The next generation of the miniature DSP
The smallest HELIX signal processor gets a worthy successor with the DSP MINI MK2. Like its ancestor, this compact DSP is a real technology package. A powerful 64 Bit audio DSP and BurrBrown converters combined with 96 kHz sampling rate and high resolution audio bandwidth up to over 40 kHz provide exceptional sound quality. The MK2 is also at the top level in terms of measured values – a higher maximum output voltage of 6 Volts, significantly increased signal-to-noise ratio and reduced THD ensure the perfect sound. Of course, the DSP MINI MK2 is based on the ACO platform with 32 Bit CoProcessor, which not only handles all control tasks with incredible speed, but also enables proprietary sound effects such as Augmented Bass Processing or RealCenter and, last but not least, a channel-separated Input EQ including Input Signal Analyzer (ISA).
Seamless integration and maximum control even in the smallest spaces
As the installation space for sound systems in modern vehicles is becoming increasingly limited, the connection of individual components is getting more complicated and puts the durability of plugs and cables to the test. The Smart Control Port (SCP) of the DSP MINI MK2 allows the multifunctional connection of accessory products and now even takes over their complete power supply. The solid design with snap-in function guarantees a stable connection while helping to prevent plug and cable damage and thus facilitates compact, space-saving installation concepts.
All on board
The equipment package makes it clear that the name of the DSP MINI MK2 only refers to the dimensions as there are absolutely no compromises in terms of functionality. Our intelligent highlevel input with ADEP.3 circuit (Advanced Diagnostics Error Protection, 3rd Generation), the Auto Remote switch, an optical input as well as the HELIX Extension Card slot (HEC slot) for system add-ons like Bluetooth ® HD or High Resolution audio streaming via USB are, of course, part of the basic features.
Key features
- Extremely powerful 64 Bit “fixed point” Audio DSP with 1.2 billion MAC operations per second
- High Resolution audio bandwidth up to more than 40 kHz for unrivalled sound quality
- A/D and D/A signal converters from BurrBrown
- Advanced CoProcessor (ACO) for extended feature set
- Input Signal Analyzer (ISA) and InputEQ
- DSP Sound Effects (SFX) such as the “Augmented Bass Processing” which dynamically optimizes the bass response of the subwoofer, the “StageXpander” that significantly widens the stereo perspective, the “RealCenter” function, which allows a perfectly focussed sound staging for both driver and co-driver and much more
- 10 internal memory locations for sound setups
- Smart highlevel input with ADEP.3 circuit and Auto Turn-On function
- Optical digital input in SPDIF format
- Compact, future-proof Smart Control Port (SCP)
- HEC slot for system expansions for additional input / output modules like Bluetooth ® Audio Streaming, High Resolution Audio Streaming via USB etc.
- Freely definable signal routing with separate matrices for line, SPDIF and HEC/AUX
- Optimal signal path and power supply for further improved sound quality
- “Ground lift” switch to avoid ground loops
Technical specifications
| Technical data | |
|---|---|
| Inputs | 4 x RCA / Cinch | 4 x Highlevel speaker input | 1 x Optical SPDIF (12 – 96 kHz) | 1 x Remote In |
| Input sensitivity | RCA / Cinch 2 – 4 Volts | Highlevel 5 – 11 Volts |
| Outputs | 6 x RCA / Cinch | 1 x Remote Out |
| Output voltage | 6 Volts |
| Frequency response | 10 Hz – 44,000 Hz |
| DSP resolution | 64 Bit |
| DSP power | 295 MHz (1.2 billion MAC operations/second) |
| Sampling rate | 96 kHz |
| DSP type | Audio signal processor |
| Signal converters | A/D: BurrBrown | D/A: BurrBrown |
| Signal-to-noise ratio digital input | 112 dB (A-weighted) |
| Signal-to-noise ratio analog input | 107 dB (A-weighted) |
| Total harmonic distortion (THD+N) digital input | < 0.0008 % |
| Total harmonic distortion (THD+N) analog input | < 0.002 % |
| IM distortion (IMD) digital input | < 0.003 % |
| IM distortion (IMD) analog input | < 0.005 % |
| Crosstalk | > 90 dB |
| Operating voltage | 9.6 – 17 Volts (max. 5 sec. down to 6 Volts) |
| Power rating | DC 12 V ⎓ 3 A max. |
| Current draw | < 480 mA |
| Max. remote output current | 500 mA |
| Additional features | HEC slot, Ground lift switch, Smart Control Port, 32 Bit CoProcessor, ADEP.3 circuit, Auto Remote switch |
| Dimensions (H x W x D) | 40 x 177 x 104 mm / | 1.58 x 6.97 x 4.09” |
| Product properties | |
| Number of inputs | 1 x HEC Steckplatz, 1 x optischer Digitaleingang, 4 x Cinch / Highlevel |
| Number of outputs | 6 x Cinch |
| Signal path resolution | 96 kHz / 24 Bit |
| Signal-to-noise ratio | > 80 dB, > 85 dB, > 90 dB, > 95 dB, > 100 dB, > 105 dB |
| THD | < 0,001, < 0,01 %, < 0,05 %, < 0,1 % |
| Advanced features | ACO platform, ADEP highlevel input, Auto remote switch, HEC slot, High-Res audio, Regulated power supply, Start-Stop capability |
What you are ordering
The exact HELIX model shown above, APEX catalogue SKU HP50608. Review the listed inputs, outputs, impedance and system requirements before ordering.
Technical information verified against the official Audiotec Fischer product page.
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