By Alberto Frammartino, January 25, 2018
- Alpine PDX V9 5 Channel Extreme Power Density Digital Amplifier
- Pioneer GM-D8601 Class D Mono Amplifier
- Kenwood KAC-8406 Car Amplifier
- Rockford Fosgate R750-10 Class D 4-Channel Subwoofer Amplifier
- JL Audio XD700/5 5-Channel Class D Car Speaker Amplifier