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The Down4Sound JP77 is an all-in-one 7-channel amplifier designed to upgrade an entire system with one powerful chassis. With six full-range channels for mids/highs and a dedicated high-output bass channel, it’s built for clean sound, strong output, and flexible crossover control.
Power Ratings (RMS)
- 2000W x 1 @ 1 OHM (CH7)
- 190W x 6 + 1600W x 1 @ 2 OHM
- 120W x 6 + 1000W x 1 @ 4 OHM
- 350W x 3 bridged @ 4 OHM
Filtering & Specs
- Frequency Response: 10Hz – 24KHz (CH1–CH6), 10Hz – 250Hz (CH7)
- CH1/2 HPF: 20Hz – 800Hz
- CH3/4 HPF: 20Hz – 800Hz, LPF: 50Hz – 800Hz (bandpass capable)
- CH5/6 HPF: 20Hz – 800Hz, LPF: 50Hz – 800Hz (bandpass capable)
- CH7 Subsonic: 10Hz – 50Hz, LPF: 35Hz – 250Hz
- Input Sensitivity: 6V – 0.2V
- Signal-to-Noise Ratio: 80dB
- THD @ 4 OHM: 0.1%
- Fuse Rating: 330A
- Remote bass knob included
- Made in Korea
Dimensions
- 20.47 inch × 9.37 inch × 2.71 inch
The JP77 is ideal when you want one amplifier to run your whole system with serious bass power on tap.
| 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 JP77 is an all-in-one 7-channel amplifier designed to upgrade an entire system with one powerful chassis. With six full-range channels for mids/highs and a dedicated high-output bass channel, it’s built for clean sound, strong output, and flexible crossover control.
Power Ratings (RMS)
- 2000W x 1 @ 1 OHM (CH7)
- 190W x 6 + 1600W x 1 @ 2 OHM
- 120W x 6 + 1000W x 1 @ 4 OHM
- 350W x 3 bridged @ 4 OHM
Filtering & Specs
- Frequency Response: 10Hz – 24KHz (CH1–CH6), 10Hz – 250Hz (CH7)
- CH1/2 HPF: 20Hz – 800Hz
- CH3/4 HPF: 20Hz – 800Hz, LPF: 50Hz – 800Hz (bandpass capable)
- CH5/6 HPF: 20Hz – 800Hz, LPF: 50Hz – 800Hz (bandpass capable)
- CH7 Subsonic: 10Hz – 50Hz, LPF: 35Hz – 250Hz
- Input Sensitivity: 6V – 0.2V
- Signal-to-Noise Ratio: 80dB
- THD @ 4 OHM: 0.1%
- Fuse Rating: 330A
- Remote bass knob included
- Made in Korea
Dimensions
- 20.47 inch × 9.37 inch × 2.71 inch
The JP77 is ideal when you want one amplifier to run your whole system with serious bass power on tap.
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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