🔊 Quantum Audio QRX1504 – High-Power 4-Channel Car Audio Amplifier

A car audio amplifier is the core of any powerful sound system. It takes the weak signal from your radio or head unit and boosts it into strong, clean, and precise audio, powering your speakers to deliver louder, clearer, and more detailed sound. The Quantum Audio QRX1504 is a 4-channel powerhouse, perfect for mids, highs, and bridged subwoofer setups.

⭐ Why Choose the QRX1504?

• 🔊 4-Channel RMS Power: 150W x 4 @ 4Ω | 300W x 4 @ 2Ω

• 💣 Bridged Output: 2 x 600W @ 4Ω for high-powered subwoofer setups

• 🎶 Full-Range Audio Clarity: THD <0.5%, S/N >90dB

• ⚡ Flexible Crossover Filters: Adjustable high-pass and low-pass for precise tuning

• 🔧 Input Sensitivity: 0.285V – 6V for perfect compatibility with head units

🔧 Technical Specs

• Stereo Compatibility: 2Ω minimum

• THD at Rated Power: <0.5%

• Bandwidth (-3 dB): 18Hz – 22kHz

• Damping Factor (1kHz @ 4Ω): 100

• Crossover Filter Slope: 12dB

• Channel 1-2 High Pass: 40Hz – 3kHz

• Channel 1-2 Low Pass: 40Hz – 3kHz

• Channel 3-4 High Pass: 40Hz – 3kHz

• Channel 3-4 Low Pass: 40Hz – 3kHz

• Dimensions: 6.05" L x 2.33" H x 5.53" W (153.7 x 59.2 x 140.5 mm)

🛠️ Built for Performance & Reliability

• Compact, rugged chassis designed for efficiency

• Supports full-range or bridged setups

• Adjustable crossovers for precise speaker tuning

• Efficient, low-heat power delivery

• Perfect for mids, highs, and subwoofer systems

💥 Benefits of the QRX1504

• Clean, loud, and powerful 4-channel output

• Bridges easily for powerful subwoofer performance

• Ultra-low distortion for crystal-clear sound

• Flexible tuning for any car audio configuration

• Reliable Quantum Audio engineering you can trust