Helix P TWO - 2 Channel


✓ Digital Amplifier

✓ Channel: 2-Channel

✓ Dimensions: 50 x 260 x 190mm

✓ Max. Power @ 2Ω: 2 x 600 Watt

✓ Power @ 2 Ω: 2 x 490 Watt

✓ Power @ 4 Ω: 2 x 280 Watt

✓ FQ-Range: 10Hz - 40kHz

  Wiring Wizard

Find out how to wire your speakers correctly ☚

  Box calculator

Use our box calculator to find the right tune for your box ☚

  Fast Shipping

Fast shipping for stock items, short delivery time.

    Stock status: High
    In stock
    delivery time 2 - 4 days
    packing unit: single
    Voltage: 12 Volt



    Plenty of power and sensitivity – the new P TWO combines two talents in an absolutely unique way. Due to its RMS output power of 2 x 490 Watts into two Ohms, this compact amplifier is able to drive even powerful subwoofers to the max. The technical design is literally predestinated for all woofers with 2 x 2 Ohms dual voice coil like the new HELIX Q subwoofers.

    But despite its sheer force the P TWO is by no means a pure subwoofer amplifier. On the contrary, the Ultra HD Class D concept combines an extended frequency response above 40 kHz with high damping factor, minimal distortion and excellent signal-to-noise ratio. Therefore, this amplifier is likewise a perfect buddy for heavy-duty front speakers in audiophile system concepts.


    ✓ “Ultra HD Class D” concept which combines the high-end sound quality of Class AB technology with the benefits of Class D amplifiers

    Two speaker outputs with 490 Watts RMS each at 2 Ohms

    Digital, optical signal input in SPDIF format including SPDIF Direct In switch for routing the digital input signal directly to the power stage

    BurrBrown DA signal converter of the latest generation with a resolution of 32 Bit

    Integrated, active crossover with highpass, lowpass, bandpass and configurable bass boost

    Smart highlevel input with ADEP circuit

    Cable remote control for volume adjustment

    Compact design with low heat dissipation thanks to extraordinary efficiency


    Special features:

    Ultra HD Class D amplifier technology

    Compared to conventional Class D amps, this concept achieves an extended frequency response to more than 40 kHz in combination with reduced distortion thanks to an advanced integrated feedback design. Ultra HD Class D achieves outstanding, “Class AB-like” sound quality combined with the efficiency of a Class D amplifier.


    Signal converters with a native resolution of 32 Bit

    The HELIX P TWO uses for the optical input a highclass DA signal converter of the latest generation with a native resolution of 32 Bit instead of the common 24 Bit. The result is an unprecedented precision in signal conversion that especially optimizes the sound quality at lower signal levels.


    Smart highlevel input

    The latest generation of OE car radios incorporates sophisticated possibilities of diagnosing the connected speakers. If a common amplifier will be hooked up failure messages and loss of specific features (e.g. fader function) quite often appears - but not with the P TWO. The new ADEP circuit (Advanced Diagnostics Error Protection) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily.


    Start-Stop capability

    The switched power supply of the HELIX P TWO assures operation even if the battery’s voltage drops down to 6 Volts during engine crank.



    Output power RMS  
    ≤ 1% THD+N
    - @ 4 Ohms2 x 280 Watts
    - @ 2 Ohms2 x 490 Watts
    - @ 1 Ohm
    - bridged @ 4 Ohms
    - bridged @ 2 Ohms
    Max. output power per channel*Up to 600 Watts RMS
    @ 2 Ohms
    Amplifier technologyUltra HD Class D
    Inputs2 x RCA / Cinch
    2 x Highlevel
    speaker input

    1 x Optical SPDIF
    (28 - 96 kHz)

    1 x Remote In
    1 x Remote control input
    Input sensitivityRCA / Cinch 2 - 8 Volts
    Highlevel 5 - 20 Volts
    Input impedance RCA / Cinch10 kOhms
    Input impedance highlevel13 Ohms
    Outputs2 x Speaker output
    Output voltage RCA / Cinch
    Signal converter for digital inputBurrBrown 32 Bit DA converter
    Frequency response10 Hz - 40,000 Hz
    Bass boost0 - 9 dB / 40 Hz - 120 Hz
    Highpass15 Hz - 4,000 Hz regelbar
    Lowpass15 Hz - 4,000 Hz regelbar
    Bandpass15 Hz - 4,000 Hz regelbar
    Slope high- / lowpassButterworth 12 dB/Oct.
    Slope subsonic / lowpass
    Signal-to-noise ratio digital input105 dB (A-weighted)
    Signal-to-noise ratio analog input105 dB (A-weighted)
    Distortion (THD)< 0.005 %
    Damping factor> 200
    Operating voltage10.5 - 16 Volts (max. 5 sec. down to 6 Volts)
    Idle current2400 mA
    Fuse3 x 30 A LP-Mini-fuse (APS)
    Additional featuresActive, adjustable crossover, bass boost, input mode switch, highlevel input with Advanced Diagnostics Error Protection (ADEP), Auto Remote switch, SPDIF Direct In switch, cable remote control for volume adjustment
    (H x W x D)
    50 x 260 x 190 mm /
    1.97 x 10.24 x 7.48”

    Scope of delivery

    1 x Amplifier Helix P TWO

    ✓ 1 x Remote Control

    ✓ 2 x Allen Key

    ✓ 1 x Mounting Material

    1 x Instruction manual

    ✓ Shipping Infos (Click)

    Shipping countrys:

    ✓ Germany

    ✓ Austria

    ✓ France


    Data sheet

    2 Channel
    Amp power per channel
    251 - 500 Watt
    2 x 490 Watt

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