DB Drive WDX-R500.4 WDX Reference Class-D 4 Channel Amplifier WDXR500.4

Crossover Slope @ 12 dB. SESI - Signal Evaluation Status indicator. APC - Audio Protection Circuit. Ch 1-2 High Pass Crossover: 50Hz- 5kHz. Ch 1-2 Low Pass Crossover: 50Hz- 5kHz. Ch 3-4 High pass Crossover: 20Hz- 5kHz.

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