PX1000.4D1 AMPLIFIER COMPACT 4CH CLASS D STABLE 1 OHM STEREO

The Genius Audio PX1000.4D1 is a high-power 4-channel Class D amplifier designed for extreme full range car audio systems. Stable at 1 ohm stereo, it delivers massive and consistent power with high efficiency and low distortion. Equipped with HPF, LPF, and FULL crossover modes, this amplifier allows precise tuning for mids, highs, or complete sound systems. Its robust construction, smart cooling fan, and advanced protection circuitry make it ideal for SPL builds and high-performance daily drivers.

Technical Specifications

• Amplifier Type: Class D Full Range

• Channels: 4

• Minimum Impedance: 1 ohm stereo / 2 ohm bridged

• RMS Power @12.6V:

  • 312W x4 @4Ω

  • 531W x4 @2Ω

  • 773W x4 @1Ω

  • 1055W x2 @4Ω bridged

  • 1462W x2 @2Ω bridged

• RMS Power @13.8V:

  • 378W x4 @4Ω

  • 627W x4 @2Ω

  • 931W x4 @1Ω

  • 1250W x2 @4Ω bridged

  • 1760W x2 @2Ω bridged

• RMS Power @14.4V:

  • 410W x4 @4Ω

  • 695W x4 @2Ω

  • 1008W x4 @1Ω

  • 1380W x2 @4Ω bridged

  • 2006W x2 @2Ω bridged

• Burst Power @14.4V: 2146W @2Ω stereo

• Crossover Modes: HPF / LPF / FULL

• Crossover Range: 35Hz – 8kHz

• Crossover Slope: 12dB

• Frequency Response: 20Hz – 38kHz

• Signal-to-Noise Ratio: >83dB

• Input Impedance: 20 kΩ

• Efficiency: 88% @4Ω

• Input Sensitivity: 0.4V – 9.5V

• THD: <1%

• Cooling System: Smart cooling fan with temperature control

• Protection: Short circuit, low impedance, high/low voltage, DC offset, thermal protection

• Operating Voltage: 8.5V – 16V

• Dimensions: 464 x 174 x 52.4 mm

• Weight: 4.35 kg (9.59 lbs)

Consumer Benefits

• Extreme power output for high-performance full range systems

• Stable 1-ohm stereo operation for advanced installations

• Precise audio control with multiple crossover options

• Smart cooling system for consistent performance under heavy load

• Ideal for SPL systems and demanding daily drivers

[Download Product Manual]