DD Audio D4.100 - (NLA-2020)

D4.100 - Designed & Engineered in the USA


The D4.100 is the perfect little all around multi-channel amp. It sounds awesome, its size makes it easy to install in today’s space-constrained vehicles, and it has enough power to easily drive factory speaker upgrades and beyond.

Any DD Audio Product bearing the Marine Grade logo incorporates water resistant features enabling it to be used in applications where moderate exposure to moisture will not result in damage to the product.

Marine Grade products are not waterproof, and submersion or excessive moisture exposure may result in product failure. DD Audio Marine Grade products are not certified for saltwater environments.



  • MOSFET Power Supply Amplifier
  • 4 Gauge Set Screw Power Terminals
  • 12 Gauge Set Screw Speaker Terminals
  • Heavy Duty PCB
  • Variable HP/LP/BP Crossovers
  • Clipping and Low Voltage Indicators
  • 5-way Protection: Speaker Short, Thermal, Overload, Hi/Low Voltage, DC Offset



  • Test Voltage 14.4
  • Channels 4
  • Cont Wattage @ 4ohm 100x4 / 300x2
  • Cont Wattage @ 2ohm 150x4
  • Max Current Draw – Amperage 60
  • S/N Ratio >80dB
  • THD <0.2%
  • Input Voltage Sensitivity 6V ~ 0.2V
  • Power Wire Guage In 4
  • Speaker Wire Gauge Out 12
  • Dimensions: in 9 x 4.9 x 1.8
  • Dimensions: mm 230 x 125 x 47

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