Massive Audio D2400 D-Block Series. 2400 Watt, 1 Ohm Stable, Class D Monoblock Car Amplifier with Bass Boost. ONE OF THE BEST CAR STEREO AMPLIFIERS | One of the best daily driver or competition amplifiers in the market! This car audio amplifier features: 1200w x 1 RMS @ 1 Ohm / 2400w x 1 MAX, Freq: 10Hz - 180 Hz, N-Channel Circuitry for High-Efficiency, Bass Boost 0~12dB, Short Circuit, Thermal, Reverse Voltage and Over Voltage Protection. This monoblock amplifier provides real power and punch for your subwoofers! PRODUCES POWERFUL, CLEAN, FULL SOUND | Don't settle for a weak sounding and underpowered car subwoofer amplifier. Your car audio subwoofer installation would not be complete without our monoblock Massive Audio amplifier. Our car audio subwoofer amplifier features: Built-in OEM line converters with RCA inputs that can take a high level speaker signal at up to 15 Volts directly in. DC 5V - 15V Operating Voltage. QUALITY TESTED AND GUARANTEED TO GO BEYOND RATED POWER | Hits its full power or more all the time! That is our guarantee! You don't need to set the gain to low to avoid distortion. Also, by sensing the DC offset of a factory radio it can activate the ATO (Auto Turn On) feature and Next Generation Advanced 6 Way Protection Circuitry. GREAT QUALITY PRODUCT THAT WILL LAST LONGER | Don't settle for underpowered and underwhelming car stereo monoblock amplifiers that sound weak, not efficient, distorts at high power and terminals that get shorted! With our extra features like Heavy Duty Aluminum Heat Sink, Heavy Duty Power Supply, and Extreme Power in a Small Footprint ensure you get your money's worth! MASSIVE AUDIO QUALITY GUARANTEED. Since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers.