Here is your refined and pointwise version of the Indian Xtreme Audio XAB 4 GEN 1 Amplifier description:

Indian Xtreme Audio – XAB 4 GEN 1 Amplifier

High-Fidelity Class AB Stereo Amplifier

The XAB 4 GEN 1 is a premium-quality Class AB amplifier designed for audiophiles, DIY audio builders, and high-fidelity enthusiasts. Built with professional-grade components and a focus on sonic precision, this amplifier ensures an immersive, clean, and distortion-free audio experience.

🔧 Technical Highlights:

Class AB Design for warm and dynamic sound signature.

THD (Total Harmonic Distortion): Only 0.05% – ensures ultra-clean audio output.

Frequency Response: Wide band from 20Hz to 25kHz, ideal for full-range listening.

Power Output:

150W RMS @ 4Ω (±40V DC)

150W RMS @ 8Ω (±56V DC)

Working Voltage: Operates at ±50V DC for optimal performance.

Transistors: Uses Toshiba C5200N complementary pairs.

Precision Components:

100% Genuine Vishay parts.

1% Metal Film Resistors (MFR) for high accuracy and minimal noise.

🛡️ Built-in Protections:

Short Circuit Protection

Thermal Protection

Overcurrent and Overload Protection

Speaker DC Block Protection

Zobel Network for stability and speaker safety

⚙️ Performance Features:

Bias Current Adjustability – allows fine-tuning to reduce crossover distortion.

High Damping Factor (400+) – ensures tight bass and precise speaker control.

Samwha Power Capacitors – reliable and stable power delivery under load.

🌡️ Cooling & Monitoring:

High-Quality Vertical Fins Heatsink – ensures effective passive cooling.

Thermal Protection Circuit

Power LED Indicators for status monitoring

🔌 User-Friendly Design:

Inbuilt Rectified Power Supply – for direct transformer connection.

Fully Connector-Based Interface – no soldering required for assembly.

Manufactured by JLCPCB – for clean, professional-grade PCB finish.

🎯 Ideal Applications:

High-fidelity home stereo systems

DIY amplifier builds

Audiophile speaker setups

Studio and professional use

The XAB 4 GEN 1 is a perfect blend of performance, protection, and ease of use — a true powerhouse for any high-end audio setup.