(4) Rockville UT525B UTV/ATV 5.25 Rollbar Speakers+Hifonics 4-Channel Amplifier OJL1_Y9MHC82

B @ 1w/1m Impedance: 4 Ohms Shockproof Design ABS Weather Resistant Grills and Hardware Ro - HS Certified Color: Black Dimensions (H x W x D): 9 x 6.39 x 6.23 Description: Hifonics THOR compact Four Channel, 350 watt Powersports amplifier with on-board equalization and simple installation with quick release connectors. Features: Hifonics TPS-A350.4 350w 4-Channel Marine Amplifier For Polaris RZR/ATV/UTV/Cart Marine Grade Protection: YES - Amplifiers are ABYC & ASTM certified which defines that marine amplifiers must use conformal coated PC boards to resist corrosion from salt spray & moisture. Crossover / Signal Shaping: Switched FULL / LPF / HPF - Complete control of amplifier signal, essential when using two or more amplifiers Class / Topology: Full Range Class D - Highly efficient circuit topology which helps the amplifer develop a lot of power in a very small heatsink. Output Devices Technology: PWM MOSFET Power Supply - Stable power through the PC board with minimal heat g