🔊 MB Quart PA1-400.4 Amplifier
📦 Power Output:
• 4 × 50W @ 4Ω
• 4 × 100W @ 2Ω
• 2 × 200W Bridged @ 4Ω
📏 Dimensions: 3.82″ × 4.41″ × 2.01″
⚙️ Description:
Compact, cool, and powerful — the PA1-400.4 is a Full-Range Class-D amplifier designed for clarity and performance in tight installations. With clean MB Quart sound signature and efficient output, it’s perfect for mids and highs or small multi-speaker systems.
🧠 Board & Chipset:
• Full-Range Class-D design for crisp audio reproduction across all frequencies
• Pro-grade MOSFET power supply for consistent current and low distortion
• Tiffany-style RCA inputs ensure a solid, corrosion-resistant signal path
❄️ Cooling & Design:
• Built-in variable-speed fan and aluminum heat sink for active thermal control
• Compact chassis allows fitment in tight installs without heat issues
🔌 Inputs & Features:
• High- and low-level inputs for OEM integration
• Fully adjustable crossovers for seamless tuning
💡 Performance Note:
Despite its size, the PA1-400.4 delivers MB Quart’s signature loud, clean output — ideal for front-stage or coaxial speaker systems.