MB Quart NA2-400.2 Nautic Compact 400 Watt 2-Channel Powersports Amplifier. speakers it's recommended to keep it

it's recommended to keep it at 20 ± 5°C for optimal longevity

1" Mylar Dome Tweeter

the 4XL mid-range are no exception

RMS Power @ 4 ohm Bridge

MOUNTING DIAMETER (mm): 152X225mm/6"X9"

MB Quart NA2-400.2 Nautic Compact 400 Watt 2-Channel Powersports Amplifier. speakers it's recommended to keep itMB Quart NA2 400. 2 Nautic compact 400 watt two channel Powersports amplifier with on board equalization and simple installation with quick release connectors. Type Amplifier Brand MB Quart Series Nautic Category Marine, Powersports Condition New Color Black Warranty 1 Year IPX Rating IPX5 Amp Class Full Range Class D Amp Total Channels 2 Amp Max Power (watts) 400 Amp Power @ 2 Ohms (ch x watts) 2 x 200 Amp Power @ 4 Ohms (ch x watts) 2 x 100 Amp