How much does this cost to the nearest dollar?

MB Quart Nautic Amplifier - Nautic Marine, 600 Watts, 4 Channel, Marine Amplifier, Speaker, Heat Sink, Ipx Standard, Marine Grade,Multicolored
Four Channel nautic waterproof amplifier with marine specific connectors. Top mounted sound contouring with onboard crossovers, bass boost and adjustable input sensitivity all concealed Behind top mounted controls. Marine grade protection - built to withstand extreme marine weather conditions and salt spray and never miss a beat. Ipx standard water resistant so you can confidently enjoy all of your music with a high-power system Dimensions LxWxH 10.25 x 6 x 2.25 inches, Manufacturer Maxxsonics USA, Mounting Type Surface Mount, Brand MB Quart, Channels 4, Dimensions 10

Price is $300.00
Price: $299.99