Audiopipe APCLE-18001D 1800 W Max Monoblock Class D Stereo Car Audio Amplifier: Amazon.co.uk: Electronics & Photo
BOSS Audio Systems PF1800 4 Channel Car Amplifier - 1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable : Amazon.co.uk: Electronics & Photo
Australian Monitor AMH3600 2 x 1800 W Power Amplifier | POLAR
Planet Audio AC1800.5 1800 Watt 5 Channel Car Amplifier, Full Range, Bridgeable 636210103769 | eBay
Kenwood X802-5 5-Channel Car Power Amplifier│1800W Max Power│Class D│4 ohm│Black 19048226235 | eBay
DS18 Candy-X1B 1800 Watt Monoblock 1 Channel Amp Compact Car Sub Mono Amplifier | eBay