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The Down4Sound JP104 (JP 10.4) is a monster Class D 4-channel amplifier built for extreme output with full crossover control. With dual 0-gauge power/ground inputs, Tiffany RCA connections, and an included bass knob, itβs engineered for high-performance multi-speaker systems.
Power Ratings (RMS)
- 1300W x 4 @ 2 OHM
- 1000W x 4 @ 4 OHM
- 3300W bridged @ 4 OHM
Tuning & Specs
- Frequency Response: 10Hz β 21KHz
- High Pass: 20Hz β 800Hz (x1), 200Hz β 8KHz (x10)
- Low Pass: 50Hz β 800Hz (x1), 500Hz β 8KHz (x10)
- Input Sensitivity: 6V β 0.2V
- Signal-to-Noise Ratio: 90dB
- THD @ 4 OHM: 0.1%
- Fuse Rating: 550A total
- Working Voltage: 9V β 15.5V
Connections & Dimensions
- Dual 0-gauge power and ground inputs
- Speaker outputs support up to 4-gauge
- Dimensions: 19.68 inch Γ 9.37 inch Γ 2.71 inch
- Made in South Korea
Electrical upgrade required for warranty: Big 3, upgraded alternator, and reserve battery capacity are required for reliable high-output performance.
| Shipping | Most items ship within 1β3 business days. Delivery time varies by item, vendor, and destination. |
Need help before ordering? Contact Droppin HZ and we can help confirm fitment, power needs, or supporting gear for your build.
Description
The Down4Sound JP104 (JP 10.4) is a monster Class D 4-channel amplifier built for extreme output with full crossover control. With dual 0-gauge power/ground inputs, Tiffany RCA connections, and an included bass knob, itβs engineered for high-performance multi-speaker systems.
Power Ratings (RMS)
- 1300W x 4 @ 2 OHM
- 1000W x 4 @ 4 OHM
- 3300W bridged @ 4 OHM
Tuning & Specs
- Frequency Response: 10Hz β 21KHz
- High Pass: 20Hz β 800Hz (x1), 200Hz β 8KHz (x10)
- Low Pass: 50Hz β 800Hz (x1), 500Hz β 8KHz (x10)
- Input Sensitivity: 6V β 0.2V
- Signal-to-Noise Ratio: 90dB
- THD @ 4 OHM: 0.1%
- Fuse Rating: 550A total
- Working Voltage: 9V β 15.5V
Connections & Dimensions
- Dual 0-gauge power and ground inputs
- Speaker outputs support up to 4-gauge
- Dimensions: 19.68 inch Γ 9.37 inch Γ 2.71 inch
- Made in South Korea
Electrical upgrade required for warranty: Big 3, upgraded alternator, and reserve battery capacity are required for reliable high-output performance.
Shipping
| Shipping | Most items ship within 1β3 business days. Delivery time varies by item, vendor, and destination. |
Need help before ordering? Contact Droppin HZ and we can help confirm fitment, power needs, or supporting gear for your build.
REVIEW
Make sure this matches your bass setup.
Subwoofers perform best when the enclosure, amplifier, impedance, wiring, and electrical support all work together. Use these links to complete the system around this product.