The JBL Stage A6004 is a compact 4-channel full-range car amplifier designed to deliver clean, reliable power for upgraded factory or entry-level aftermarket audio systems. Rated at 60 watts RMS per channel at 4 ohms, it provides a noticeable improvement in clarity, dynamics, and control compared to head-unit power alone. Its efficient Class-D design keeps heat and current draw low while maintaining consistent output. With flexible input options, onboard crossovers, and bridgeable channels, this amplifier is well-suited for daily drivers and installers seeking a simple, dependable solution for powering door speakers or small subwoofer configurations. KEY BENEFITS 60 W RMS per channel at 4 ohms provides clean, balanced power for front and rear speaker systems Stable operation at 2 ohms allows increased output for higher-demand speaker setups Bridgeable channels deliver higher power for midbass drivers or compact subwoofer applications Class-D topology improves efficiency while reducing heat generation and space requirements Variable high-pass and low-pass crossovers enable proper frequency control for different speaker roles Bass boost control adds low-frequency impact when needed without external processors Supports both RCA and speaker-level inputs for compatibility with factory and aftermarket head units Compact chassis simplifies installation under seats or in tight mounting locations TECHNICAL SPECIFICATIONS Weight: 3.04 lb Dimensions: 7.61″ L × 5.74″ W × 2.00″ H Power Handling: 60 W RMS ×4 @ 4 Ohm / 70 W RMS ×4 @ 2 Ohm / 140 W RMS ×2 bridged @ 4 Ohm Peak Power: 560 W Impedance: 2 Ohm minimum stereo / 4 Ohm bridged Frequency Response: 20 Hz – 20 kHz Signal-to-Noise Ratio: >75 dB Crossover Controls: Variable HPF & LPF (32 Hz – 320 Hz) Bass Boost: 0 – 12 dB @ 45 Hz Input Sensitivity: Line-level and speaker-level compatible Operating Voltage: 9 – 16 V DC Fuse Rating: 30 A total INSTALLATION & COMPATIBILITY The Stage A6004 is designed for easy integration into a wide range of vehicles, fitting comfortably under seats, behind panels, or in compact amplifier racks. Its speaker-level input support makes it compatible with factory radios, while RCA inputs allow seamless connection to aftermarket head units and processors. The amplifier can be configured to power four full-range speakers or bridged to drive higher-power speaker pairs. Proper ventilation and quality power and ground wiring are recommended to ensure stable performance in daily-use systems. FAQS What products are included in the JBL Stage A6004 category?The JBL Stage A6004 category features 4-channel amplifiers designed to power full-range speaker systems with clean, balanced output. Users exploring this category will find amps suited for door speakers, component systems, and daily driving audio upgrades. How does the Stage A6004 series compare to other 4-channel amps?Stage A6004 amplifiers deliver reliable power distribution across channels with JBL’s signature tuning and protection features. Compared to basic amps, this category offers better thermal control, improved clarity, and more consistent performance. What should I consider when choosing a JBL Stage A6004 amp?Look at RMS power per channel, total output, size, and cooling design. Browsing the full collection helps you ensure the amplifier matches your speakers’ power handling and your vehicle’s electrical capacity. Are JBL Stage A6004 amplifiers good for daily listening systems?Yes — these amps are built for everyday use, providing smooth, balanced power to speakers without distortion. Explore the category to find models that enhance clarity and dynamic range for regular listening.
