Simplex 556-681-RC
Simplex 556-681-RC
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Simplex 556-681 Speaker Circuit Dual
A dual-channel speaker circuit board for Simplex fire alarm systems that provides audio output signal processing and distribution. This refurbished component manages speaker signal routing for alarm notification.
Key Features:
• Dual Channel: Provides two independent speaker output circuits
• Signal Processing: Routes and processes audio signals to speakers
• Fire Alarm Integration: Compatible with Simplex fire alarm systems
This is a professionally reconditioned unit.

