DD Audio D4.100
The D4.100 is the perfect little all around multi-channel amp. It sounds awesome, its size makes it easy to install in today’s space-constrained vehicles, and it has enough power to easily drive factory speaker upgrades and beyond.
Hertz HCP 4
HCP 4 is a four channels car audio amplifier designed to reproduce any musical genres with four separate channels for multiple configurations.
Audison AV 5.1k
AV 5.1k, 1650 W (RMS) max, five-channels: with its hybrid design, it is the specialist amplifier for front + rear + subwoofer or multi-amplified front + subwoofer systems.