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Every X Series amplifier undergoes testing before it is packaged to confirm they work as intended. First, the crossover functions and a clean high output sine wave are confirmed to be within specification. Then, the amplifier is wired to a resistor bank and driven with a very high signal to drive the amp into thermal protection. The amp is cycled back on and is again tested for a clean high output sine wave.
 
12,000 Watt Class D Mono Block
Upgraded with Larger Package Mosfets for Increased Avalanche Current
Upgraded with Lower ESR Capacitors
Upgraded Heatsink to Industry Leading Surface Area and Weight
Linkable Master / Slave Configurable
Dual MOS-FET PWM power supply
Click-in-Place Crossover Controls
Subsonic and Low Pass Filters
Variable Phase Control
Tiffany Style RCA Connectors
Remote Bass Control w/ Clip Indicator and Thermal / Voltage Display
Damping Factor >400
87dB Signal to Noise Ratio
Engineered in U.S.A. and South Korea
Made in South Korea
 
Continuous Power
4700W x 1 @ 4 ohms
 At 14.4V Supply Voltage
7200W x 1 @ 2 ohms
 
12,000W x 1 @ 1 ohm
 Frequency Response
13Hz – 263Hz
 Input Sensitivity
0.4V to 6V
 Fuse Ratings
450A @ 4 ohms / 700A @ 2 ohms / 1100A @ 1 ohm
 Filter Modes
Subsonic and Low Pass
 Subsonic Filter @ 24dB/Oct
10Hz – 50Hz
 Linkwitz-Riley
 
 Low Pass Filter @ 24dB/Oct
35Hz – 250Hz
 Linkwitz-Riley
 
 Detented Filter Potentiometers
41 Click-in-Place Frequencies
 Remote Level Control w/ Clip Indicator / Thermal / Voltage 
Included
 Pass-Through Output
Yes
 Height
3.12 in / 79.3 mm
 Width
10.59 in / 269 mm
 Length (Heat Sink)
31.49 in / 800 mm
 Net Weight
48 lb /21.77  kg