*We are an authorized Hifonics dealer* The *Hifonics BRX1400.1D* car audio amplifier features a MAX power handling of 1400 watts and a RMS power handling of 900 watts at 2-ohms and 550 watts at 4-ohms. Hifonics has perfected the latest in NGSD digital chip technology to provide you with an extremely efficient, low temperature, high amplification system that others only dream about. There are several options for installation and the mono Next Generation Super D-Class Brutus amplifiers can run at 1, 2 or 4-Ohm as well, for an even tighter bass response! - *RMS Power Rating (@ 14.4V):* - 4 ohms: 550 watts x 1 chan. - 2 ohms: 900 watts x 1 chan. - 1 ohm: 1400 watts x 1 chan.