How much does this cost to the nearest dollar?

Hertz Compact Power HCP-4D D-Class 4 Channel Amplifier 145 WRMS x 4 at 2-Ohm
HCP 4D is a D Class car audio amplifier, able to offer up to 1160W (RMS); it is the ideal choice for those who want high power levels in complex systems. Extremely versatile, complete in its functions, provided with Speaker-In and RCA-In inputs to work with any head units, it has been designed to work also in mono (selectable mode), for a three-channel system with sub and front, or a powerful two-channels system. All the Hertz Compact Power amplifiers are assembled with high-quality components and feature a complete and by-passable crossover system. The dissipation system is optimized with the

Price is $400.00

Price: $399.99