Awave DSP-4.1V4 5-channel amplifier with 8-channel DSP – SoundQuality.net
JL Audio VX1000/5i 1000W Max 5-Channel Class-D Amplifier with Built-In DSP
Best Buy: AudioControl 1300W 5-Channel Class D Matrix DSP Amplifier Black D-5.1300
Kicker 42IQ1000.5 Q-Class 5-channel car amplifier with digital signal processing — 65 watts RMS x 4 at 4 ohms + 500 watts RMS x 1 at 2 ohms at Crutchfield
Best Buy: AudioControl 1300W 5-Channel Class D Matrix DSP Amplifier Black D-5.1300
Helix PP50DSP Plug and Play digital signal processor with built-in 5-channel amplifier at Crutchfield
350W 6 CH 6 Channel Plug and Play DSP AMPLIFIER For Car Play Android Player Android Amp Car Audio Subwoofer - AliExpress