Amazon.com: Lanzar 8-Channel Mosfet Amplifier - Class “AB” High-Current Dual Discrete Drive Stages, 2 Ohm Stereo Stable with High Pass and Low Pass Filter Controls, Amplifier for Car Speakers, Standard, (HTG889) :
Push-pull Auto-Cathode-Bias and Error-Correcting MOSFET Output Stages
Arrested Cascode and Amplifiers in Suspended-Supply Operation
Amazon.com: Bestol New IRL540 IRL540N Power MOSFET TO-220 : Electronics
Bridgold 10pcs IRL7833PBF IRL7833 N-Channel Power MOSFET Transistor,30 V 150A,3-Pin TO-220AB: Amazon.com: Industrial & Scientific
The basics of signal amplification - lcamtuf's thing
Nelson Pass's US Patent, 5,343,166
Fielect DC 6V 4N Push Pull Type Solenoid Electromagnet, Frame Type Solenoid Electromagnet Linear Motion, JF-0520B: Amazon.com: Tools & Home Improvement