SD Evo6 400.4 4-Channel Amplifier Car Audio Amplifier

The 400.4 EVO6 is a compact and modern amplifier delivering a total of 400W RMS across 4 channels.

This amplifier features unique and patented technology, ensuring a clearer and more faithful sound experience while guaranteeing excellent performance and efficiency even in the most challenging projects.


SD EVO6 400.4 – 4 Ohms

Output (4Ω): 4 x 66W RMS

Output (2Ω): 4 x 100W RMS

Bridged Output (4Ω): 2 x 200W

Bridged Output (2Ω): N/A

Frequency Response (-3dB): 8Hz – 20kHz

Low Pass Filter (12dB/Octave): 80Hz
High Pass Filter (12dB/Octave): 80Hz
Operating Voltage: 9V – 16V
SNR (Signal-to-Noise Ratio): 94dB
Input Sensitivity (RCA): 0.2V – 2V
Current Consumption (Music): 20A
Current Consumption (Max): 40.5A
Overall Efficiency: 78%
Damping Factor (@100Hz): 200
Power Cable: 6mm² (9 AWG)
Speaker Cable: 2 x 1.5mm² (15 AWG)
Recommended Fuse (Music): 25A
Recommended Battery (Min): 40Ah
Width: 3.4 inches / 8.6 cm
Length: 4.2 inches / 10.7 cm
Height: 1.8 inches / 4.6 cm
Weight: 0.437 kg / 0.963 lb

※Important Notes※

As this is an imported product, the product box may have dirt, scratches, dents, etc.
The product itself may also have minor scratches or paint chips from factory production.

We will exchange the product if its use is affected.
The product itself is new and unused.
We also list on many other sites, so stock may be unavailable.

We do not offer after-sales support after purchase.

We cannot respond to product malfunctions after installation.
※We recommend installation by a professional shop.

Thank you for your understanding.

※For Hokkaido, areas requiring relay fees, remote islands, and Okinawa, we will provide a dedicated listing after an estimate. Please comment before purchasing.