Rockford Fosgate R250X4 250 Watt 4-Channel Amplifier

The Prime R250X4 is a 4-Channel amplifier perfect for any Car Audio Fanatic getting into mobile audio wanting a single amplifier to run a complete audio system. This amplifier features selectable Punch Bass to tune low frequencies, variable crossovers to either protect your high frequency speakers or feeding only bass to your subwoofers, and Pass-Thru jacks for daisy-chaining another amplifier.

• 12dB/octave Butterworth crossover
• 0/6/12 dB On Board Punch EQ Control
• 2/4 channel input switch
• High Level Input (4-pin)
• Separate Front and Rear Gain Control
• Real time output and power supply thermal sensing
• Cast aluminum heatsink
• 4 Gauge power/ground connectors
• MOSFET power supply
• Over current protection
• Short circuit protection
• Muted turn on
• 1 Year Standard Warranty
• Number of Channels: 4
• Rated Power (RMS Continuous Power): 40 Watts x 4 @ 4-Ohms
• 60 Watts x 4 @ 2-Ohms
• 125 Watts x 2 @ 4-Ohms Bridged
• Total Power (Sum of Rated Power): 250 Watts RMS
• Bridgeable
• Efficiency (average): 64% @ 4-Ohm
• Crossover Controls: 
• Front Channels : High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
• Rear Channels : High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
• Tone Controls: Punch Bass: 0dB/+6dB/+12dB @ 45Hz
• Signal Input: Low Level: 2 RCA Pair
• High Level: 2 x 4-pin MOLEX
• Power Input Connector:     Barrier Strip
• Power Wire Gauge: 4 AWG
• Speaker Output Connector: Barrier Strip 
• Speaker Wire Gauge: 8 AWG 
• Heat Sink Type: Extruded Aluminium
• Cooling: Convection
• Visual Indicators: Power/Protect LED
• Circuit Topology Class: Class-A/B
• Frequency Response: 20Hz to 250Hz +/-1dB
• Dimensions (HxWxL):1.98 x 6.77 x 11.22 (in) - 5 x 17.2 x 28.5 (cm)