800W Outdoor Stereo Amplifier PCB (4.5″×17.7″) – Professional 12-Transistor Power Board

Description:
Heavy-duty unassembled PCB for building an 800W (400W+400W) professional outdoor stereo amplifier. This rugged board features 12 output transistors (6 NPN + 6 PNP) in a optimized push-pull configuration, designed for extreme audio performance in demanding environments. The extra-long 17.7″ chassis-mount design provides superior heat dissipation.

Technical Specifications:

• Board Size: 4.5″ (114mm) × 17.7″ (450mm)

• Thickness: 2.4mm FR-4 Fiberglass

• Copper Weight: 2oz

• Layer Count: 2-Layer with ground plane

• Operating Voltage: ±45V to ±80V DC

Warning:
⚠ Requires professional assembly and heatsinking
⚠ 100V+ DC operation hazard – experts only
⚠ All electronic components must be sourced separately

Package Includes:
1× Unassembled amplifier PCB only

Applications:

• Professional PA systems

• Outdoor concert equipment

• Marine audio installations

• High-power DIY projects

(Note: Actual performance depends on component selection and proper thermal management)