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The Down4Sound JP8 is an 800W+ RMS monoblock amplifier built for daily drivers, demo vehicles, and anyone who wants strong, clean bass from a compact footprint. Designed from the ground up with real-world car audio in mind, the JP8 blends old-school styling with modern Class D efficiency and control.
Independent third-party testing has confirmed that the JP8 delivers serious power at 4 OHM, 2 OHM, and 1 OHM, making it a flexible option for a wide range of subwoofer setups. A built-in cooling fan, solid internal components, and a plexi back plate all come together to create an amplifier that not only performs, but also looks the part in show builds.
Power Ratings (Manufacturer Worst-Case)
- 1 OHM: 700W x 1 @ 12V | 850W x 1 @ 14.4V
- 2 OHM: 500W x 1 @ 12V | 650W x 1 @ 14.4V
- 4 OHM: 490W x 1 @ 12V
- 2 OHM Linked: 2300W x 1 @ 14.4V
Verified Dyno Results (Approximate)
- 4 OHM: 511W RMS @ 14.4V
- 2 OHM: 892W RMS @ 14.4V
- 1 OHM: 1256W RMS @ 14.4V
Tuning & Controls
- Frequency Response: 10Hz – 270Hz
- Low Pass Filter: 35Hz – 250Hz
- Subsonic Filter: 10Hz – 50Hz
- Bass Boost: 0–9dB
- Input Sensitivity: 6V – 0.2V
- Signal-to-Noise Ratio: 97dB
- THD @ 4 OHM: <0.1%
Electrical & Build Details
- Single Unit Fuse Rating: 120A
- Strapped Fuse Rating: 220A
- Operating Voltage: 9V – 16V
- Damping Factor: 100
- Class: D Digital
- Power & Ground Inputs: 4 GA
- Speaker Outputs: up to 12 GA
- Dimensions (L x W x H): 11.81 x 7.4 x 2.24 inches
If you are looking for a compact amp that still hits hard, the Down4Sound JP8 delivers strong RMS power, flexible wiring options, and clean, controlled bass for your car audio system.
| Shipping | Most items ship within 1–3 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 JP8 is an 800W+ RMS monoblock amplifier built for daily drivers, demo vehicles, and anyone who wants strong, clean bass from a compact footprint. Designed from the ground up with real-world car audio in mind, the JP8 blends old-school styling with modern Class D efficiency and control.
Independent third-party testing has confirmed that the JP8 delivers serious power at 4 OHM, 2 OHM, and 1 OHM, making it a flexible option for a wide range of subwoofer setups. A built-in cooling fan, solid internal components, and a plexi back plate all come together to create an amplifier that not only performs, but also looks the part in show builds.
Power Ratings (Manufacturer Worst-Case)
- 1 OHM: 700W x 1 @ 12V | 850W x 1 @ 14.4V
- 2 OHM: 500W x 1 @ 12V | 650W x 1 @ 14.4V
- 4 OHM: 490W x 1 @ 12V
- 2 OHM Linked: 2300W x 1 @ 14.4V
Verified Dyno Results (Approximate)
- 4 OHM: 511W RMS @ 14.4V
- 2 OHM: 892W RMS @ 14.4V
- 1 OHM: 1256W RMS @ 14.4V
Tuning & Controls
- Frequency Response: 10Hz – 270Hz
- Low Pass Filter: 35Hz – 250Hz
- Subsonic Filter: 10Hz – 50Hz
- Bass Boost: 0–9dB
- Input Sensitivity: 6V – 0.2V
- Signal-to-Noise Ratio: 97dB
- THD @ 4 OHM: <0.1%
Electrical & Build Details
- Single Unit Fuse Rating: 120A
- Strapped Fuse Rating: 220A
- Operating Voltage: 9V – 16V
- Damping Factor: 100
- Class: D Digital
- Power & Ground Inputs: 4 GA
- Speaker Outputs: up to 12 GA
- Dimensions (L x W x H): 11.81 x 7.4 x 2.24 inches
If you are looking for a compact amp that still hits hard, the Down4Sound JP8 delivers strong RMS power, flexible wiring options, and clean, controlled bass for your car audio system.
Shipping
| Shipping | Most items ship within 1–3 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.
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