1 4
Helix

HELIX C FOUR, car audio amplifier

4-channel car audio amplifier.

€1,199.00 EUR

HELIX C FOUR, car audio amplifier - Ask you before buying whether we have this item in a warehouse if we do not have to be ordered and arrive within 2-21 days.

▪️ Do you have questions about this product?❓We can consult by phone +370 683 90000 or come to our salon Armatūrinininkų St. 1, Kaunas.

Free delivery in Lithuania from € 100

In Lithuania, Venipak courier delivery is available via 1-2 business days.
Delivery outside Lithuania within 4-10 business days.

Pick up the goods in the store for € 0

Armatūrinininkų St. 1, Kaunas
Working hours: Thursday 9:00-18:00

INFORMACIJA

. One of the most powerful sound amplifiers at a very attractive price.

  • Power: 880W.
  • Frequency range: 10 Hz - 80,000 Hz.
  • Amplifier class: AB.
  • Resistance: 4 ohms.

DESCRIPTION

HELIX C FOUR

Audiophile sound quality combined with impressive output power

The C FOUR is a high-end 4-channel amplifier that has been designed down to the last detail for ultimate sound quality. Audiotec Fischer's proprietary ultra low-noise and ultra low-distortion Class A driver stage feeds a total of 32 hand-selected MOSFET power transistors, resulting in an incredible damping factor of 1,000 for relentless control of every loudspeaker. The intelligent regulation of the power supply ensures stable conditions for the output stages and therefore phenomenal output power independent of the cars battery voltage.
In combination with the optionally available digital input module HDM 2, the C FOUR demonstrates the perfect transition to the digital era. The HDM 2 accepts digital audio signals up to 96 kHz sampling rate via its two optical inputs followed by cutting-edge BurrBrown D/A converters with 32 Bit resolution that transform the signals back to the analog domain. Therefore the C FOUR is absolutely future-proof and perfectly prepared for the combination with our digital signal processors.

Features

  • Extremely broadband Class AB amplifier with eight selected MOSFET transistors per channel for exceptional sound quality - ideal for High-Resolution audio
  • Ultra low-noise and distortion-free power amp drivers in Class A technology
  • Enormous damping factor of 1,000 @ 4 Ohms for perfect speaker control
  • Optionally available HELIX Digital Input Module (HDM) to extend the amplifier with two optical digital inputs in SPDIF format
  • Integrated, active crossover with highpass, lowpass and bandpass
  • Regulated DC / DC switching power supply with Start-Stop capability down to 6V supply voltage
  • Microprocessor-based monitoring of amplifier status including temperature-dependent fan control
  • Input Mode switch for flexible routing of the input signals
  • Cutting-edge BurrBrown D/A converters with 32 Bit resolution in combination with the optional HDM 2 module
  • Massive 24-carat gold-plated power and speaker terminals
  • Quad-layer PCB with extra-solid 70μ copper traces for lowest possible losses and SMD (Surface Mounted Device) manufacturing technology

Special features:

Start-Stop capability

The switched power supply of the HELIX C FOUR ensures operation even if the battery's voltage drops down to 6 Volts during engine cranking.

High-Resolution audio

The extremely broadband audio bandwidth of the amplifier ensures a lossless audio reproduction of High-Resolution audio content to provide the best possible sound in studio quality.

TECHNICAL DATA

SPECIFICATIONS

Output power RMS / max.
- @ 4 Ohms 4 x 150 / 300 Watts
- @ 2 Ohms 4 x 220 / 440 Watts
- @ 1 Ohm -
- bridged @ 4 Ohms 2 x 440 / 880 Watts
- bridged @ 2 Ohms -
Max. output power per channel* Up to 250 Watts RMS @ 2 Ohms
Amplifier technology Class AB
Inputs 4 x RCA/Cinch
1 x Remote In
Optional via HDM 2 module:
2 x Optical SPDIF (28 - 96 kHz)
Input sensitivity RCA / Cinch 1 - 8 Volts
Input impedance RCA / RCA 7.5 kOhms
Input impedance high level -
Outputs 4 x Speaker output
Output voltage RCA / RCA -
Signal converter for digital input -
Frequency response 10 Hz to 80,000 Hz
Bass boost -
Highpass 15 Hz - 4,000 Hz adjustable
Lowpass 15 Hz - 4,000 Hz adjustable
Bandpass 15 Hz - 4,000 Hz adjustable
Subsonic -
Phase -
Slope high- / lowpass 12 dB/Oct.
Slope subsonic / lowpass -
Signal-to-noise ratio digital input -
Signal-to-noise ratio analog input 112 dB (A-weighted)
Distortion (THD) < 0.007%
Damping factor > 1000
Operating voltage 9 - 16 Volts (max. 5 sec. down to 6 Volts)
Idle current 2400mA
Fuse 3 x 30 A LP-Mini-fuse (APS)
Additional features Active, adjustable crossover, HDM slot, input mode switch, High-Resolution audio, Start-Stop capability
Dimensions (H x W x D) 37.1 x 430 x 240 mm /
1.46 x 16.93 x 9.45"

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

WHAT'S IN THE PACKAGE?

1 x High-end amplifier HELIX C FOUR
2 x Allen keys
1 x Mounting material
1 x Instruction manual

DOCUMENTS

INSTRUCTIONS

User Manual (EN).
Back to top