What we sell?Rockford Fosgate Prime R500X1D 1-Channel 500W Power Class D Car Amplifier The Rockford Fosgate R500X1D is a quality made Mono D car amplifier that is rated at 500 Watt x 1 Channel @ 2 Ohms RMS. The amplifier features a MOSFET power supply, cast aluminum heatsink, muted turn on, short circuit protection, over current protection, RCA pass thru outputs, high level inputs, real time output and power supply thermal sensing, phase switch, the amplifier is CEA-2006 compliant and comes with a remote bass control. The dimensions are 8.50 L x 6.80 W x 2.00 H inches. Technical Details: 300 Watts x 1 @ 4-Ohms, 500 Watts x 1 @ 2-Ohms, Frequency 20Hz to 250Hz +/-1dBOnboard 12dB/octave LP/HP/AP crossover & Infrasonic filter. Power Wire Gauge- 4 AWG. Power Input Connector-Screw Terminal. Suggested Alternator-75 AOn-board Punch EQ with +18dB boost at 45Hz. Input Sensitivity: 150 mV to 4 VCast Aluminum Heatsink with Stealth top mounted control panel12dB/octave Butterworth crossoverRCA pass-thru outputsOn-board Punch EQ with +18dB boost @ 45Hz.High level inputsRemote PLC (Punch Level Control)0°/180° Phase SwitchReal time output and power supply thermal sensingCast aluminum heatsink4 Gauge power/ground connectorsMOSFET power supplyOver current protectionShort circuit protection Package Contents: 1x Rockford Fosgate R500X1D Amplifier Thing you should know: // NEED TO PRICE MATCH?See lower price? We will try to give you an even lower price! Just ASK us! // NEED TO TALK TO US?Just email us and we will get back to you within 24 hours // NEED TO RETURN or EXCHANGE?You can return the unit with eBay Easy Return step or just email us and we will tell you the exact instruction on how to return the unit. We will also give you an RA# so the unit won't be lost. // OUR RETURN / EXCHANGE POLICY60 days full refund . We will pays for shipping 2-way for any defective units . Unwanted? Just return it to us for full refund . NO QUESTIONS ASKED!