CQ-Series CQ-100 ( 2U , 2 X 100W @ 8 OHM , 2 X 225W @ 4OHM ) CQ-150 ( 2U , 2 X 150W @ 8 OHM , 2 X 300W @ 4OHM CQ-200 ( 2U , 2 X 200W @ 8 OHM , 2 X 375W @ 4OHM ) Manufacturer Of Professional Audio Amplifiers We welcome OEM and ODM Premium Sound Quality CQ Series provide extensive protection features such as Overheat short currents, DC protection, zero current, clip limiter, soft start Flow-through ventilation from front to back 150W-250W power area at 8 ohms High power toroidal transformer Internal heat sinks with forced air cooling for rapid, heat dissipation A fan for proper cooling to maintain performance and proper working levels Stereo and mono channel switching option