Digital Designs A4 4-Channel Amp 55-130W Class AB Car Audio Bass Boost

The Digital Designs A4 4-Channel Amplifier delivers clean, dynamic sound performance with versatile tuning capabilities. Designed for true audiophiles and car audio enthusiasts, the A4 Series brings 55W to 130W of precise power per channel, supported by MOSFET power supplies and Class AB topology for maximum audio fidelity.

Packed with features like variable high/low-pass crossover networks, tri-mode output, and 2-ohm stereo stability, the A4 amp also includes 5-way protection circuits and daisy chain capability for flexible system expansion. It’s your go-to solution for powering high-quality sound setups with bass boost and tuning precision.

Key Features:

• Class AB amplifier topology
• MOSFET power supply for stable, efficient output
• 4-channel configuration (55W–130W RMS)
• Variable low-pass and high-pass crossovers
• Tri-mode output support
• Daisy chain ready for easy system expansion
• 2-ohm stereo stable
• Soft turn-on circuit to eliminate startup noise
• 5-way protection: thermal, overload, short circuit, DC offset, under-voltage

NOTE: A4 4-CHANNEL AMPLIFIER WITH 2 x SIGNATURE. 

ITEM IS IN PRE OWNED CONDITION, REFER TO PHOTOS FOR THE EXACT CONDITION AND INCLUSIONS.