Diamond audio technology D7054

*Very Rare* Diamond Audio D7 Series, 4 channel amplifier-Originally made by Esoteric AudioDiamond Audio bought the rights to build these Amazingly Rare and Impeccable Sound Quality Amplifiers This D7054 is in great condition specs: D7 Series 4-Channel AmplifierRMS Power Output: 4 Ohms: 75 watts x 4 channel 2 Ohms: 150 watts x 4channel 4 Ohms Bridged: 300 watts x 2 channel Symmetrical Topology, Fully Regulated, Triple-Split-Rail Power Supply Isolated Input Section Utilizing "Quasi-Differential" Instrumentation Amplifier Technology Third-Order 18dB/Octave Butterworth Crossover Topology Wide Bandwidth/Low Distortion Symmetrical Gain Output Stage Gold Plated Copper Circuit Board, High Efficiency Intelligent Thermal Management Protection System, Massive 3-Piece Proprietary Heatsink, Solid Copper High-Current Power Distribution Busbars, S/N Ratio: 102 dB Frequency Response: 3 Hz - 50 kHz Dimensions: 24-3/4" L x 10-5/8" W x 3" H *THIS IS ONLY RATED POWER @ 12 VOLTS* **