Description
SounDigital 400.4 EVO 6 – 400W RMS 4-Channel Class D Car Audio Amplifier
Power your entire vehicle's audio system with the SounDigital 400.4 EVO 6. Built on SounDigital's latest EVO 6 platform, this ultra-compact 4-channel Class D amplifier delivers 400 Watts RMS of clean, high-fidelity power in a remarkably tiny footprint.
Flexible and efficient, the 400.4 EVO 6 can drive four full-range door speakers independently or run in 3-channel mode (2 channels for front speakers + 1 bridged channel for a subwoofer).
EVO 6 Series Highlights & Innovations
Next-Gen Audio Architecture: Designed with modern components, redesigned power supplies, and upgraded output filters to deliver flatter frequency responses, clear highs, and deep bass.
Ultra-Compact Micro Footprint: Fits into extremely tight installation spots such as center consoles, glove boxes, under seats, or motorcycle fairings.
Smart Protection Systems: Ultra-fast electronic monitoring safeguards the amplifier against short circuits, overheating, and voltage drops.
High Efficiency & Control: Boasts 78% total efficiency and a damping factor of 200 for precise speaker cone movement and minimal electrical drain.
Technical Specifications
| Specification | Value / Details |
| 400.4 EVO 6 – 4 OHMS | |
| Power @ 4Ω | 4 x 66W RMS |
| Power @ 2Ω | 4 x 100W RMS |
| Bridged Power @ 4Ω | 2 x 200W RMS |
| Bridged Power @ 2Ω | N/A |
| GENERAL SPECIFICATIONS | |
| Frequency Response (-3dB) | 8Hz ~ 20kHz |
| Low Pass Filter (12dB/octave) | 80Hz |
| High Pass Filter (12dB/octave) | 80Hz |
| Operating Voltage | 9V ~ 16V |
| Signal-to-Noise Ratio | 94dB |
| Input Sensitivity (RCA) | 0.2V ~ 2V |
| Musical Consumption | 20A |
| Resistive Load Consumption | 40.5A |
| Total Efficiency | 78% |
| Damping Factor (@100Hz Nominal Impedance) | 200 |
| Power Cable | 6mm² (9 AWG) |
| Speaker Cable | 2 x 1.5mm² (15 AWG) |
| Recommended Fuse (Musical Use) | 25A |
| Recommended Battery (Minimum) | 40Ah |
| Width | 3.39" (8.6 cm) |
| Length | 4.21" (10.7 cm) |
| Height | 1.81" (4.6 cm) |
| Weight | 0.96 lbs (0.437 kg) |