BL-12 V1 Amplifier Interface Board - KH-3U-IN M1.2 Pro Audio Input/Output Module

The BL-12 3U Amplifier Interface Board is a heavy-duty, all-in-one solution for high-power professional amplifiers. Designed specifically for 3-unit (3U) rack-mount chassis, this board (Model KH-3U-IN M1.2) streamlines the connection between your audio source and your speakers. It combines dual-channel XLR balanced inputs with a triple Speakon output array, making it the standard choice for high-reliability DJ and touring sound systems.

Key Features

• Integrated I/O Design: Features 2 Female XLR inputs, 2 Male XLR Link outputs, and 3 high-current HE XUAN Speakon sockets on a single reinforced PCB.

• Advanced Mode Switching: Dedicated toggle switches for BTL (Bridge), PA (Parallel), and ST (Stereo) operation.

• Precision Audio Control: Includes switches for Sensitivity (0.77V/1.0V/1.4V), Low Cut Filters, and Ground Lift to eliminate hum and noise.

• Limiter Indication: Features a dedicated "LIMIT" header for connecting front-panel clip LEDs, helping protect your speakers from distortion.

• Robust Signal Path: Equipped with high-quality capacitors and a 10R/1W resistor network for stable signal processing under high-load conditions.

• Simplified Installation: Pre-labeled JST-style headers for Volume, LED, and Channel Out make it easy for technicians to swap or install during repairs.

Technical Specifications

🚚 Fast & Reliable Delivery Across India

We strive to ensure a smooth and quick delivery experience for all our customers.

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  Same-Day Dispatch: All orders are usually dispatched on the same day, with daily cut-off around 4:00 PM IST.
  
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  Delivery Time: You can expect your order to reach you within 4–5 working days, depending on your location.
  
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  Pan India Shipping: We deliver across all cities and villages in India, so no matter where you are, we’ve got you covered.
  
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  Trusted Courier Partners: Your orders are shipped through reliable logistics partners like DTDC and Delhivery to ensure safe and timely delivery.
  

💡 Whether it’s a metro city or a remote village, you don’t need to worry — we make sure your order reaches you securely.

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📩 Email: info@slvsales.in

📞 Call/WhatsApp: +91 98888 24825