The Down4Sound JP1.2Z3 is a versatile “any-ohm” digital monoblock amplifier designed to deliver consistent output across common impedance loads. It’s built for flexible system designs, efficient power delivery, and clean bass performance in real-world installs.

Power Ratings (RMS)

• 1200W x 1 @ 4 OHM (14.4V)
• 1200W x 1 @ 2 OHM (14.4V)
• 1200W x 1 @ 1 OHM (14.4V)
• 2400W strapped

Features

• Strappable digital monoblock amplifier
• Stable into 1 OHM mono load
• High-speed MOSFET power supply
• Variable low pass filter
• Variable subsonic filter
• Variable bass boost (0 – 9dB)
• 4-way protection (thermal, high/low voltage, speaker short, DC)
• Bass remote with voltmeter and temperature display
• High-purity copper printed circuit board
• 4-gauge power/ground terminals

Additional Specifications

• Frequency Response: 11Hz – 239Hz
• Low Pass Filter: 35Hz – 250Hz
• Subsonic Filter: 10Hz – 50Hz
• Input Sensitivity: 6V – 0.2V
• Signal-to-Noise Ratio: 92dB
• Total Harmonic Distortion: < 0.1% @ 4 OHM
• Voltage Range: 9V – 15.5V
• Fuse Rating: 190A (single), 380A (strapped)

Dimensions

• 9.05 inch × 7.48 inch × 2.24 inch

If you want a compact amp with consistent power across multiple loads, the JP1.2Z3 is built to make system planning easy while keeping bass clean and controlled.