Helix NEXT V TWO - 2-channel Class D amplifier

Helix NEXT V TWO

The perfect complement for powerful audio setups
The compact 2-channel HELIX V TWO amplifier uniquely combines audiophile sound standards with impressive performance. The broadband frequency response, excellent signal-to-noise ratio, and extremely low distortion ensure sound quality that will impress even the most demanding music lovers.
The bridgeable speaker outputs allow flexible configuration and guarantee maximum power output – whether in mono mode for demanding subwoofers or as a high-resolution stereo amplifier for power-hungry speaker systems. Anyone looking for a powerhouse with audiophile DNA will find the perfect solution here.

Power meets audiophile performance
With a high signal-to-noise ratio of > 109 dB, an extremely low total harmonic distortion of < 0.05 dB, and a high-resolution stereo amplifier with a high-resolution stereo amplifier for power-hungry speaker systems, the HELIX V TWO is the perfect solution. With 0.004% THD+N and a high damping factor, it effortlessly meets even the highest sonic requirements. The bridgeable speaker outputs enable maximum output power exactly where it's needed.
This makes the V TWO the ideal choice for anyone seeking uncompromising sound performance with a wide range of applications.

Stereo performance for versatile speaker applications
In full-range stereo mode, the V TWO delivers 2 x 200 watts RMS into 4 ohms or 2 x 400 watts RMS into 2 ohms, more than enough power to effortlessly drive even demanding woofers or hybrid subwoofers, such as the COMPOSE i5 S200FM. In addition to its powerful performance, it also impresses with its sonic precision: The wide frequency response and audiophile characteristics ensure that even the finest details are reproduced accurately and unadulterated.

Mono bridged operation for level-oriented subwoofer applications
In bridged operation, the V TWO delivers up to 800 watts RMS into 4 ohms – more than enough to drive even high-performance subwoofers with full dynamics and control. Particularly powerful DVC2 subwoofers (2 x 2 ohms), such as the models in the HELIX IMPACT Q series, or two series-connected SVC2 subwoofers (1 x 2 ohms) from the HELIX IMPACT K series, benefit from the high efficiency and excellent sound quality of this configuration. Thanks to the integrated mono mode, a single input signal is sufficient for control – the perfect prerequisite for use with DSPs where the subwoofer channel is already summed.

Full control – automatic or manual
The new, innovative Amplifier Control Panel (ACP) of the V TWO offers intuitive and precise control of central amplifier functions – from automatic and manual gain adjustment to the input mode and ground connection.
A highlight is the Auto Gain Ranging (AGR) function: It automatically detects the output voltage of the connected signal source and precisely adjusts the gain to ensure optimal signal quality – quickly, reliably, and without clipping or unnecessary distortion.
Those who prefer manual control can configure the input sensitivity in precise 0.5-volt steps between 0.5 and 8 volts. The integrated clipping indicator provides visual feedback at all times and enables precise adjustment.

Optimized for DSP-controlled sound concepts – pure, linear, lossless
The DirectDSP input is a broadband RCA input specially tuned to the outputs of modern standalone DSPs or DSP amplifiers. By eliminating traditional crossovers, the signal remains linear and undistorted – for maximum transparency and sonic fidelity. Ideal for DSP-based systems.

V-AMP Link – High-level connection, tailor-made for HELIX V amplifiers
The integrated V-AMP Link is a specially developed high-level input optimally tuned to the speaker outputs of the HELIX V series. The decisive advantage: For system expansion, not only the RCA outputs of the V amplifier are available, but also its speaker outputs. This allows for the flexible integration of multiple V TWO amplifiers – for example, one for powerful woofers and another for the subwoofer. The V-AMP Link thus offers maximum flexibility when building complex and powerful multi-channel setups.

Maximum efficiency – even under extreme conditions
Thanks to the intelligent power supply with an extended input voltage range of 6 to 18 V and sophisticated energy management, maximum system stability is guaranteed under all conditions – from conventional combustion engines to fully electric vehicles.
Stabilized Output Power (SOP) technology ensures that the output power remains largely stable even during voltage fluctuations in the vehicle electrical system. This ensures consistent system performance even under real vehicle conditions.

Compact design with a clear design language
The V TWO features the typical HELIX design and blends seamlessly into the V amplifier line. It has exactly the same dimensions as the V EIGHT – ideal for consistent installation concepts.
The very compact dimensions also allow for space-saving installation even in limited spaces.
The V TWO is therefore the perfect combination of power, efficiency, and form.

Features

• 2-channel amplifier with the latest Class D concept, which combines outstanding sound quality with maximum efficiency.
• Bridgeable output channels for flexible system configurations and maximum power output.
• High output power of up to 1000 W RMS bridged at 4 Ω – ideal for driving powerful subwoofers.
• Innovative ACP (Amplifier Control Panel) for intuitive adjustment of central amplifier functions such as:
• Automatic or manual Gain Adjustment
• Input Mode
• Ground Connection
• Precise gain adjustment for optimal signal processing – either automatic or manual:
• Auto Gain Ranging (AGR) automatically detects the input sensitivity and adjusts the gain range for maximum sound quality
• Manual gain adjustment from 0.5 to 8 volts in 0.5 volt steps for precise adaptation to individual system requirements
• V-AMP Link – Input specially tuned for connecting HELIX V-Series amplifiers for powerful amplification for high-performance subwoofer or speaker applications
• Designed for HELIX DSP Products – DirectDSP input perfectly tuned for the highest signal quality and performance
• MSM (Mono / Stereo Mode) – Allows the amplifier to be used both as a powerful monoblock for subwoofers and as a stereo amplifier for power-hungry applications to operate speakers
• Stabilized Output Power (SOP) technology for stable and reliable output power even with fluctuating operating voltage
• Intelligent energy management for perfect voltage stability across all modern vehicle platforms
• Start-stop capable power supply with an extended input voltage range of up to 18 V – ideal for modern electric vehicles
• Auto remote switch for automatic switching on of the amplifier without an additional remote cable
• Extremely compact dimensions and low heat generation thanks to very high efficiency

Special Features:

Class D Amplifier Technology
Digital amplifier concepts based on Class D technology offer significantly higher energy efficiency than traditional Class AB amplifiers. The lower power consumption protects the battery and alternator and significantly reduces heat generation – ideal for use in modern vehicles.
Thanks to continuous technological advancements, high-quality Class D amplifiers today also achieve top-level values in sound-relevant disciplines such as distortion, bandwidth, and damping factor – making them in no way inferior to classic analog designs.

Bridgeable Speaker Outputs
The amplifier outputs of the V TWO are bridgeable – this means two channels can be combined to create a single, more powerful channel. This allows a single subwoofer, for example, to be operated with significantly greater power. This flexibility opens up additional possibilities for system configuration and allows for targeted power bundling – without any compromises in sound.

Innovative operating concept – the Amplifier Control Panel (ACP)
The ACP enables convenient adjustment of central amplifier functions such as automatic gain configuration via proprietary AGR (Auto Gain Ranging), manual gain adjustment, input mode, and ground connection. Instead of conventional switches or knobs, the modern button control with LED displays offers particularly intuitive operation and direct visual feedback on the device.

Auto Gain Ranging – automatically perfectly adjusted
The AGR function precisely adjusts the input gain in just a few seconds – quickly, reliably, and error-free. It automatically adjusts the input sensitivity to the output voltage of the connected signal source, thus ensuring maximum sound quality. The Gain & The clipping indicator provides visual control at all times – ideal for professional results at the touch of a button.

V-AMP Link – Developed for Maximum Power Extension
The V-AMP Link was specifically developed for connecting HELIX V-Series amplifiers and optimized for maximum signal quality – ideal when additional power is needed for subwoofers or powerful woofers.

Stabilized Output Power (SOP) – Consistently Powerful
Our SOP technology ensures stable output power even with fluctuating on-board voltage – for example, during engine start-up or under high system load. Intelligent voltage management in the power supply keeps the amplifier output constant, and the sound dynamic and precise at all times. Ideal especially for vehicles with dynamic alternator control and thus fluctuating voltage conditions.

Start-Stop Capability
The power supply in the HELIX V TWO amplifier ensures the internal voltage supply even during brief drops of down to 6 volts. This ensures that the amplifier remains fully functional even when the engine is started.

Technical Data

• Power RMS ≤ 1% THD+N
• @ 4 Ohm 2 x 200 Watts
• @ 2 Ohm 2 x 400 Watts
• @ 1 Ohm -
• Bridged at 4 Ohm 1 x 800 Watts
• Bridged at 2 Ohm -
• Max. Power per channel* Up to 500 watts RMS @ 2 ohms
• Up to 1000 watts RMS @ 4 ohms bridged
• Amplifier technology: Class D
• Inputs: 2 x RCA
• 2 x V-AMP Link
• 1 x Remote In
• Input sensitivity
• RCA: 0.5 - 8 volts
• V-AMP Link: 1.5 - 21 volts
• Input impedance
• RCA: 3 kOhms
• V-AMP Link: 13 ohms
• Outputs: 2 x speaker outputs
• Output voltage: RCA
• Signal converter for the Digital input 
• Frequency range 10 Hz - 22,000 Hz
• High/low pass edge steepness 
• Slope steepness subsonic 
• Slope steepness subsonic / low pass 
• Signal / noise ratio (A-weighted) 109 dB
• Tonal harmonic distortion (THD @ 1 kHz, 1 W into 4 ohms) < 0.003%
• Tonal harmonic distortion (THD+N @ 1 kHz, 1 W into 4 ohms) < 0.004%
• Total Harmonic Distortion (THD @ 100 Hz, 1 W at 4 ohms)
• Total Harmonic Distortion (THD+N @ 100 Hz, 1 W at 4 ohms)
• Attenuation Factor 350
• Operating Voltage 10.5 - 18 Volts (max. 5 seconds down to 6 Volts)
• No-Load Current Consumption 1,400 mA
• Fuse 3 x 30 A LP mini plug-in fuse
• Power Consumption DC 12 V ⎓ 86 A max.
• Operating Temperature Range -40 °C to +70 °C
• Additional Features Auto-gain ranging, mono/stereo mode, start-stop capability, V-AMP Link, regulated power supply
• Dimensions (H x W x D) 44 x 220 x 180 mm
• * In typical applications as a subwoofer amplifier

Scope of delivery

• 1 x HELIX NEXT V TWO amplifier
• 2 x Allen keys
• 3 x Fuse
• 1 x Mounting hardware
• 1 x User manual