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Helix M FOUR DSP 4 Channel Amplifier 10 Channel DSP 400W RMS

£499.00

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Product Information

HELIX M FOUR DSP
4-CHANNEL CLASS D AMPLIFIER
HELIX M FOUR DSP
That rocks – the new M FOUR DSP

The M-FOUR DSP is more than “just” another four-channel amplifier – rather, despite its small dimensions, you are dealing with a powerful control centre that has not less than a total of ten processed DSP channels. In addition, the amplifier delivers plentiful output power with generously 100 Watts RMS per channel into both 4 Ohms and 2 Ohms load.

Finally, its awesome price-performance ratio in combination with the fantastic feature set will ensure bright eyes.

FEATURES
Up to 135 Watts RMS max. output power per channel into 4 & 2 Ω
Extremely powerful 64 Bit “fixed point” Audio DSP and state-of-the-art 32 Bit AD and DA signal converters from AKM
ACO – Advanced 32-Bit CoProcessor platform for enhanced system and DSP features like:
ISA (Input Signal Analyzer) and InputEQ for easy analysis and compensation of input signals
SFX sound effects – Augmented Bass Processing, StageXpander, RealCenter & Co.
Smart 4-channel high-level input with ADEP.3 circuit
Six RCA / Cinch line outputs with max. 6 Volts output voltage
Virtual Channel Processing (VCP) allows even more flexible configurations for highly complex sound systems
Bridgeable amplifier channels for driving powerful woofer or subwoofer
DSP-board manufactured in Germany
SMART HIGH-LEVEL INPUT ADEP.3
Modern, factory-installed car radios incorporate sophisticated possibilities for diagnosing connected speakers. In particular, the latest generation of car radios are equipped with additional monitoring functions so that failure messages and loss of specific features (e.g. fader function) quite often appear if an amplifier is hooked up – but not with the M FOUR DSP.

The new ADEP.3 circuit (Advanced Diagnostics Error Protection, 3rd Generation) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily.

POWER SAVE MODE
The Power Save Mode is incorporated into the basic setup. It allows for significantly reducing the power consumption of the amplifiers that are connected to the HELIX M FOUR DSP once there’s no input signal present for more than 60 seconds. Please note that in many up-to-date cars with “CAN” or any other internal bus structures the radio may remain “invisibly” turned on for up to 45 min. even after locking and leaving the car! Once the “Power Save Mode“ is active the remote output and therefore the connected amplifiers will be turned off.

The M-FOUR DSP will reactivate the remote output within a second if a music signal is applied. It is possible to either modify the turn-off time of 60 sec. or completely deactivate the “Power Save Mode” via the DSP PC-Tool software.

START-STOP CAPABILITY
The switched power supply of the HELIX M FOUR DSP assures a constant internal supply voltage even if the battery’s voltage drops to 6 Volts during engine crank.

ACO – ADVANCED 32-BIT COPROCESSOR
The HELIX M FOUR DSP incorporates an extraordinarily powerful 32 Bit CoProcessor of the latest generation for all monitoring and communication tasks, both internally and externally. In opposite to the 8 Bit predecessor generation this MCU achieves way higher speeds with respect to setup switching and data communication with our DSP PC-Tool software. A further significant advantage is the integrated, native boot loader of the CoProcessor.

It allows software upgrades of all components of the integrated DSP to adjust the microcontroller-controlled ADEP.3 circuit for example to future requirements of the diagnostic system of factory radios or if the device will be extended with additional interfaces. In addition, thanks to the new flash memory, the ACO offers 10 memory locations for sound setups instead of the common two.

SPECIFICATIONS

  • Power RMS  ≤ 1% THD+N
  • – @ 4 Ohms    4 x 100 Watts
  • – @ 2 Ohms    4 x 100 Watts
  • – @ 1 Ohm    –
  • – bridged @ 4 Ohms    2 x 200 Watts
  • – bridged @ 2 Ohms    –
  • Max. output power per channel*    Up to 135 Watts RMS @ 4 / 2 Ohms
  • Amplifier technology    Class D
  • Inputs    6 x RCA / Cinch
  • 6 x high-level speaker input
  • 1 x Optical SPDIF (12 – 96 kHz)
  • 1 x Remote In
  • Input sensitivity    RCA / Cinch 1 – 4 Volts
  • High level 5 – 20 Volts
  • Input impedance RCA / Cinch    22 kOhms
  • Input impedance high level 9 – 33 Ohms or 20 kOhms
  • Outputs    4 x Speaker output
  • 6 x RCA / Cinch
  • 2 x Remote Out
  • Output voltage RCA / Cinch    6 Volts RMS
  • Frequency response    20 Hz – 22,000 Hz
  • DSP resolution 64-bit
  • DSP power    295 MHz (1.2 billion MAC operations/second)
  • Sampling rate    48 kHz
  • DSP-type Audio signal processor
  • Signal-to-noise ratio digital input    105 dB (A-weighted)
  • Signal-to-noise ratio analogue input    102 dB (A-weighted)
  • Distortion (THD)    < 0.03 %
  • Damping factor    100
  • Operating voltage    10.5 – 16 Volts (max. 5 sec. down to 6 Volts)
  • Idle current    1500 mA
  • Max. remote output current    500 mA
  • Fuse    2 x 30 A Maxi-fuse (APX)
  • Additional features    ADEP.3 circuit, Auto Remote switch, 32 Bit CoProcessor, Control Input
  • Dimensions (H x W x D)    50 x 230 x 154 mm /
  • 2.00 x 9.06 x 6.06“

* In typical multi-channel applications (2- / 3-way system + rear + subwoofer)

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