THE VIKING LINE IS DESIGNED FOR THOSE WHO REALLY SEEK POWERFUL SOUND. IN THIS LINE, WE HAVE SOME MODELS THAT ARE HIGHLIGHTS IN MAJOR WORLDWIDE CHAMPIONSHIPS. IT ALSO FEATURES A 100% ALUMINUM CHASSIS THAT OFFERS BETTER HEAT DISSIPATION, RESULTING IN LOW BATTERY CONSUMPTION AND GREAT PERFORMANCE. THE VIKING 5000 OFFERS 5000 WRMS IN 1 CHANNEL AT 2 OHMS. USED IN MEDIUM AND LARGE PROJECTS FOR BEING A HIGH-PERFORMANCE AMPLIFIER, IT HAS A FREQUENCY RESPONSE OF (5HZ ? 5KHZ) AND CAN BE USED TO DRIVE VARIOUS TYPES OF SPEAKERS, SUCH AS SUBWOOFERS, WOOFERS, AND MID-BASS DRIVERS. TECHNICAL SPECIFICATIONS: OPERATING CLASS: CLASS D IN BRIDGE MAXIMUM POWER 14.4V @ 2 OHMS: 5500 WRMS MAXIMUM POWER 14.4V @ 4 OHMS: 3600 WRMS MAXIMUM POWER 12.6V @ 2 OHMS: 5000 WRMS MAXIMUM POWER 12.6V @ 4 OHMS: 3000 WRMS EFFICIENCY @ 4 OHMS: 83% EFFICIENCY @ 2 OHMS: 78% INPUT VOLTAGE: 9 - 15V INPUT IMPEDANCE: 100K OHMS THD+N: 0.1% INPUT SENSITIVITY: 50mV - 2V SIGNAL TO NOISE RATIO: 93dB FREQUENCY RESPONSE (OFF Switch): 5Hz to 5kHz (-3dB) FREQUENCY RESPONSE: 20Hz to 5kHz (-3dB) BASS BOOST @ 45Hz: Variable 0 to +18dB HPF (Subsonic): 20Hz to 80Hz @ 12dB/octave Linkwitz-Riley LPF (Crossover): 80Hz to 5kHz @ 12dB/octave Linkwitz-Riley RECOMMENDED FUSE: 250 A MAXIMUM CURRENT (musical signal): 270 A POWER CABLES (min. recommended): 50mm / 0 AWG OUTPUT CABLES (min. recommended): 2 x 6mm / 2 x 3 AWG WEIGHT (Kg): 5.4 HEIGHT (mm): 60 WIDTH (mm): 264 DEPTH (mm): 308 DIFFERENTIAL MODE INPUT SIGNAL FORCED VENTILATION THROUGH MICRO FANS BLUE LED INDICATOR FOR: POWER SOURCE AND AMPLIFIERS ON RED LED INDICATOR FOR: OUTPUT DISTORTION (CLIPPING) OR OUTPUT SHORT-CIRCUIT YELLOW LED INDICATOR FOR: BATTERY VOLTAGE BELOW SPECIFIED.