ROCKFORD PM400X4 – Ampli Marine/Motorsport 4 canaux – 4x100W RMS – Class A/B Interface CAN Its robust rubber suspension

Its robust rubber suspension

Its ultra-powerful double magnet (2 x 70 oz / 3

Frequency response: 30 Hz - 200 Hz

5mm voice coil on a Kapton mount

ROCKFORD PM400X4 – Ampli Marine/Motorsport 4 canaux – 4x100W RMS – Class A/B Interface CAN Its robust rubber suspensionROCKFORD PM400X4 4 channel Marine Motorsport Amplifier 4x100W RMS Class A B The Rockford PM400X4 is a 400 Watts RMS 4 channel amplifier designed to withstand the harsh environments found in marine and motorsport applications . Its Class A B technology delivers excellent sound quality , while its die cast aluminum chassis , marine epoxy boards , and comprehensive short circuit and overheat protection ensure uncompromising reliability. With its Stealth