The Down4Sound JP33 monoblock amplifier is built for bass enthusiasts who demand serious output, reliability, and real-world performance. Rated at 3,300 watts RMS, the JP33 goes beyond typical 3000W-class amplifiers by delivering clean, controlled power with the headroom needed to drive high-performance subwoofer systems.

Designed with upgraded internals and premium components, the JP33 features dual power and ground inputs for improved current delivery, true Tiffany RCA inputs for superior signal integrity, and an always-on cooling fan to maintain stable operating temperatures during extended play time.

Key Features

• 3,300W RMS @ 1 OHM
• 2,300W RMS @ 2 OHM
• 1,200W RMS @ 4 OHM
• Dual 0-gauge power and ground inputs for improved stability
• Premium Tiffany RCA connectors
• Always-on internal cooling fan
• Strappable design for expanded system capability
• Operable down to half OHM speaker load
• Built-in clipping indicator
• BT remote with voltage, temperature, and clipping display

Important Electrical Requirement

An upgraded electrical system is required to maintain warranty coverage. Failure to upgrade your electrical system will void the warranty.

• The Big 3 upgrade
• High-output alternator
• Additional reserve battery capacity

Additional Specifications

• Frequency Response: 14Hz – 260Hz
• Signal-to-Noise Ratio: 96dB
• Damping Factor: < 300
• Input Sensitivity: 6V – 0.2V
• Subsonic Filter: 10Hz – 50Hz
• Low Pass Filter: 35Hz – 250Hz
• Phase Control: 0° – 180°
• Total Fusing: 350A (175A per positive input)
• Speaker Output: 4-gauge
• Power Inputs: 2 x 0-gauge
• Operating Voltage: 9V – 16V

Dimensions

• 13.8 inch (L) × 9.37 inch (W) × 2.63 inch (H)

Manufacturing

• Made in South Korea

The Down4Sound JP33 is the perfect choice for bass-focused systems that need dependable power, clean output, and serious performance without compromise.