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The Orion CBA4500.4 is a four-channel Class A/B car amplifier from Orion's Cobalt series, rated at 4500 watts max. Class A/B designs run hotter and draw more current than Class D, but they are the traditional choice for clean full-range sound on door speakers and components. It suits drivers powering front and rear speakers or bridging channels for a subwoofer. Compared with compact Class D four-channels, it is larger and less efficient, so plan on solid wiring and ventilation.
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Lowest price we've seen: $159.95 on Nov 13 at Orion Car Audio. Tracked across 14 stores since Nov 13.
The Orion CBA4500.4 is a 4-channel Class A/B car audio amplifier from the Cobalt Series. It has a maximum music power of 4500 watts and is 2-ohm stable. The power supply and output stage are all MOSFET.
It has an electronic crossover network with a continuously variable high-pass and low-pass crossover, a 12 dB per octave low-pass filter, and a bass boost switch. RCA out throughput is included. The heavy gauge, high current power and speaker terminals are custom designed.
Protection circuitry guards against thermal, DC offset, short circuit, and under- and over-voltage faults. Fault and protection monitoring and a power and protection LED indicator are included. A soft turn-on/turn-off delay is built in.
