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HELIX Amplify 201 X-OVER Monoblock 750W RMS Subwoofer Amp

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HELIX Amplify 201 X-OVER Monoblock 750W RMS Subwoofer Amp

R6,249.00

Compact monoblock subwoofer amplifier delivering up to 750W RMS at 1 Ohm. X-OVER version adds adjustable lowpass and subsonic filters, phase control, high-level and RCA inputs.

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SKU AC20120 Category Tag Brand:

The HELIX Amplify 201 X-OVER is a compact Class D monoblock amplifier purpose-built for subwoofer upgrades, offering up to 750 W RMS at 1 Ohm and high efficiency for tight, controlled bass. The X-OVER variant includes an active crossover with adjustable lowpass and subsonic filters plus phase control for precise subwoofer integration.

Built for integration and compact installation, the Amplify 201 features RCA and switchable high-level speaker inputs with up to 32 V input capability, ADEP.3 high-level compatibility for OEM systems, auto turn-on via music signal, cable remote control input, and start-stop capability down to 6 V for modern vehicles. A removable top cover conceals controls and connections for a clean installation.

  • Power RMS (<=1% THD+N): 1 x 250 W @ 4 Ohm, 1 x 450 W @ 2 Ohm, 1 x 750 W @ 1 Ohm
  • Max output power: Up to 850 W RMS @ 1 Ohm
  • Amplifier technology: Class D monoblock
  • Inputs: 1 x RCA, 2 x High-level speaker input, Remote In, Remote control input
  • Input sensitivity: RCA 0.5 – 6 V, High-level 3 – 32 V
  • Input impedance: RCA 8 kOhm, High-level 9 – 33 Ohm
  • Frequency response: 10 Hz – 250 Hz
  • Lowpass filter: 50 Hz – 250 Hz adjustable, 12 dB/Oct.
  • Subsonic filter: 10 Hz – 50 Hz adjustable, 12 dB/Oct.
  • Phase control: 0 – 180 degrees adjustable
  • Signal-to-noise ratio: 114 dB A-weighted at full power
  • Distortion: THD @100 Hz < 0.003%, THD+N @100 Hz < 0.02%
  • Damping factor: 200
  • Operating voltage: 10.5 – 16 V (max. 5 sec. down to 6 V)
  • Idle current: 1,100 mA
  • Fuses: 2 x 30 A LP-Mini-fuse (APS)
  • Power rating: DC 12 V 80 A max
  • Dimensions (H x W x D): 40 x 248 x 114 mm
  • Additional features: Active adjustable crossover, high-level input with ADEP.3, auto turn-on via music signal, cable remote control
  • High-efficiency Class D monoblock delivering up to 750 W RMS @ 1 Ohm
  • Integrated active crossover with adjustable lowpass and subsonic filters
  • Phase control 0 – 180 degrees for precise subwoofer alignment
  • Switchable high-level and RCA inputs; high-level input up to 32 V
  • ADEP.3 compatible high-level input for OEM system integration
  • Auto turn-on via music signal and cable remote control input
  • Very compact design with removable top cover for clean installations
  • Disconnect vehicle battery before installation to avoid short circuits
  • Use the supplied or equivalent 2 x 30 A LP-Mini fuses for protection
  • Install in a dry, well-ventilated location and avoid obstructing cooling
  • Ensure correct polarity and secure connections to prevent damage
  • Follow the included instruction manual and wiring diagrams for proper setup
  • Universal fit for 12 V vehicles and typical car audio systems
  • Start-stop capable down to 6 V for modern vehicles with start-stop systems
  • High-level input up to 32 V for direct connection to factory head units
  • Includes ADEP.3 for trouble-free integration with many OEM audio systems
  • Compact dimensions allow installation in tight spaces and under seats

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