Quantum Audio QRX4001 Class D Full Range Monoblock Amplifier

⚡ Quantum Audio 4000W Class D Full Range Monoblock Amplifier 💥 Massive Power. Precision Control. Built to Perform. Take your car audio system to the next level with the Quantum Audio 4000W Class D Monoblock Amplifier. Designed for serious bass enthusiasts, this compact powerhouse delivers exceptional output, outstanding efficiency, and rock-solid reliability for subwoofer applications. Built with high-efficiency MOSFET technology, 1-Ohm stable circuitry, and an advanced Heat Management System, this amplifier is engineered to perform under demanding conditions while maintaining clean, distortion-free sound. Whether you're upgrading your daily driver or building an SPL-ready system, the Quantum Audio Monoblock delivers the power your subwoofers deserve. 🚀 Premium Features ⚡ 4,000 Watts Max Output for impressive bass performance. 🎯 1-Ohm Stable Class D Monoblock design. 🔥 High-Efficiency MOSFET Circuitry for maximum power with lower heat. ❄️ Advanced Heat Management System for dependable operation. 🎛️ Variable LPF & HPF Crossovers for precise sound tuning. 🎚️ Adjustable Bass Boost @ 45Hz to maximize low-frequency impact. 🔌 Low-Level RCA Inputs for aftermarket head units. 🔊 High-Level Inputs for easy factory radio integration. 📦 Ultra-Compact chassis fits in tight installation spaces. 💪 Power Output ⚡ 4,000 Watts x 1 @ 1Ω ⚡ 2,000 Watts x 1 @ 2Ω ⚡ 1,000 Watts x 1 @ 4Ω 📊 Technical Specifications 📌 Amplifier Type: Full-Range Class D Monoblock 📌 Minimum Load: 1 Ohm Mono 📌 Frequency Response: 18Hz – 20kHz 📌 THD: < 0.5% 📌 Signal-to-Noise Ratio: >90dB 📌 Damping Factor: 126 (@1kHz / 4Ω) 📌 Input Sensitivity: 285mV – 6V 📌 Low Pass Filter: 40Hz – 10kHz 📌 High Pass Filter: 15Hz – 1kHz 📌 Bass Boost: Variable @ 45Hz 📌 Inputs: RCA Low-Level & High-Level 📐 Compact Dimensions 📏 Length: 6.83 in (173.5 mm) 📏 Width: 5.53 in (140.5 mm) 📏 Height: 2.33 in (59.2 mm) 🎯 Perfect For 🚗 High-performance car audio systems 🔊 Single or multiple subwoofer setups 🎵 Daily drivers & bass lovers 🏆 Competition-inspired builds 🔧 Factory or aftermarket head units 📦 Package Includes ✔️ Quantum Audio 4000W Monoblock Amplifier ✔️ Installation Hardware ✔️ User Manual ⭐ Why Choose Quantum Audio? 💎 Compact yet incredibly powerful. ⚡ High efficiency for cooler operation. 🎶 Clean, punchy bass with flexible tuning options. 🛡️ Reliable performance built for long listening sessions. 🚀 The perfect amplifier for anyone looking to unleash serious low-frequency power without sacrificing sound quality.