HELIX P SIX DSP ULTIMATE 6-Channel Ultra HD Class D Amplifier with 12-Channel DSP

HELIX P SIX DSP ULTIMATE – six channels of power, twelve channels of precision

The HELIX P SIX DSP ULTIMATE combines six channels of Ultra HD Class D amplification with an integrated 12-channel digital signal processor. Designed for demanding multi-channel installations, it delivers 6 x 120W RMS into 4 ohms, with channels C–F delivering 4 x 230W RMS into 2 ohms at ≤1% THD+N. Its compact chassis brings powerful amplification, extensive system integration and high-resolution signal processing together in one unit.

TwinDSP processing and high-resolution audio

Two 64-bit Analog Devices audio processors provide a combined 2.4 billion MAC operations per second. A 96kHz sampling rate, BurrBrown A/D and D/A converters and a frequency response extending to 44kHz provide the foundation for detailed sound reproduction. Virtual Channel Processing offers flexible routing for complex audio systems, while the 32-bit ACO coprocessor supports advanced audio functions and fast switching between up to ten sound setups.

Factory integration and system expansion

Six RCA inputs and six high-level speaker inputs accommodate a wide range of sources. The high-level input accepts signals up to 32V RMS and incorporates ADEP.3 diagnostic protection to help integrate with modern factory radios. Optical and coaxial SPDIF inputs support digital sources, while four RCA outputs and an optical digital output allow the system to be expanded with additional amplifiers.

The Smart Control Port supports compatible optional remote controls and accessories. An HEC expansion slot allows optional modules for functions such as Bluetooth HD audio streaming or high-resolution USB audio streaming. These expansion modules and remote controls are not included.

Advanced tuning tools

Configuration through DSP PC-Tool provides precise adjustment for the installation. TuneEQ supports automated output equaliser adjustment using a suitable measurement microphone, available separately. Input Signal Analyzer and channel-separated Input EQ help analyse and compensate for factory-source processing. RealCenter derives a dynamically controlled centre signal, while Augmented Bass Processing combines Dynamic Bass Enhancement and SubXpander for adjustable bass enhancement.

Key features

• Six amplified channels with an integrated 12-channel DSP.
• Ultra HD Class D technology combines efficient operation with extended audio bandwidth and low distortion.
• TwinDSP architecture with 64-bit resolution and 96kHz sampling.
• BurrBrown analogue-to-digital and digital-to-analogue converters.
• Virtual Channel Processing for flexible system configuration.
• 32-bit ACO coprocessor, Input Signal Analyzer and Input EQ.
• TuneEQ, RealCenter and Augmented Bass Processing.
• ADEP.3 high-level input circuitry and automatic remote switching.
• Automatic digital signal detection, configurable through DSP PC-Tool.
• Power Save Mode can switch off connected amplifiers through the remote outputs when no input signal is present.
• Supports 12V and 24V vehicle electrical systems.
• Start-stop capability supports brief supply-voltage drops to 6V.

Technical specifications

• Amplifier technology: Ultra HD Class D.
• RMS power at ≤1% THD+N, 4 ohms: channels A–F, 6 x 120W.
• RMS power at ≤1% THD+N, 2 ohms: channels C–F, 4 x 230W.
• Maximum output in typical multi-channel applications: channels A–F, up to 145W RMS per channel at 4 ohms; channels C–F, up to 285W RMS per channel at 2 ohms.
• Analogue inputs: 6 x RCA and 6 x high-level speaker inputs.
• Digital inputs: 1 x optical SPDIF, 12–96kHz; 1 x coaxial SPDIF, 12–192kHz.
• Remote input: 1.
• Outputs: 6 x speaker, 4 x RCA, 1 x optical SPDIF at 96kHz and 2 x remote outputs.
• RCA output voltage: 3V.
• RCA input sensitivity: 1–4V or 4–8V.
• High-level input sensitivity: 4–16V or 8–32V.
• RCA input impedance: 13kΩ.
• High-level input impedance: 9–33Ω with ADEP.3.
• Frequency response: 10Hz–44,000Hz.
• DSP resolution: 64-bit.
• DSP power: 2 x 295MHz, 2.4 billion MAC operations per second.
• DSP sampling rate: 96kHz.
• Signal-to-noise ratio, digital input: 108dB A-weighted.
• Signal-to-noise ratio, analogue input: 102dB A-weighted.
• Total harmonic distortion: <0.004%.
• Damping factor: >100.
• Operating voltage: 10.5–32V, with drops to 6V supported for a maximum of 5 seconds.
• Power rating: DC 12/24V, 65A maximum.
• Idle current: 1,350mA.
• Maximum remote output current: 500mA.
• Fuses: 3 x 20A LP-Mini (APS).
• Operating temperature: -40°C to +70°C.
• Dimensions (H x W x D): 50 x 260 x 190mm.
• Manufacturer model code: P816003.
• EAN: 4057204312640.

Installation notes

2-ohm operation is specified for channels C–F only. The manufacturer does not specify bridged or 1-ohm operation. The 12-channel DSP is not a 12-channel power amplifier: six channels are amplified internally, with additional processed outputs available for system expansion. Maximum application-dependent power figures are listed separately from the continuous RMS ratings at ≤1% THD+N.

What's included

• 1 x HELIX P SIX DSP ULTIMATE amplifier.
• 1 x Control Input-to-SCP adaptor.
• 1 x USB cable.
• 2 x Allen keys.
• Mounting material.
• Instruction manual.

UK Delivery Options:

• Standard Delivery 2-3 Working Days £4.99
• Courier Next Working Day £9.99
• Courier Saturday £25

International Delivery Options:

Some European countries are included - Please email us to confirm we can send to you destination. Sales@CarAudioDirect.co.uk

Order Tracking:

Visit the DPD website Tracking page here - You will need your tracking number

Unwanted Goods:

In accordance with The Consumer Contracts Regulations (2015), you have a 14 working day 'cooling off period' in which you have the right to cancel your purchase and receive a full refund.

Manufacturer's warranty:

Beyond this 14 working day period, you are covered under the manufacturer's warranty which is typically 1 year (Excluding Open Box products). If your product becomes faulty during this period, you should contact our eSupport department, via the website, direct email or phone for a returns number. We will then arrange for your item to be repaired (or replaced, if appropriate with a new product) or provide details of the manufacturers local service centre.

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