The Crown 660A is a high-value amplifier for commercial and industrial audio. The 660A, a six-channel amplifier, provides 4-ohm and constant-voltage outputs (70V and 100V) on channels 1 through 4, and 4-ohm outpus on channels 5 and 6.
The amp is part of Crown's Commercial Audio Series, which also includes mixers and mixer-amps. These low-cost units provide all necessary features in a simple building-block format. The sound system can be upgraded as a facility expands. For example, you can add more mixers for more inputs, or add more power amps (or mixer-amps) to handle more zones.Features• 660A has six inputs and six amplifier output channels • Ideal for commercial and industrial use • Balanced Phoenix-type line inputs; touch-proofed screw-terminal speaker outputs • Advanced protection system includes output current limiting, DC protection, circuit breaker/fuse, and thermal protection • Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications
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Crown 660A Commerical Amplifier Reviews