4300x1 (4300W RMS) 1CH AMPLIFIER JP43
4300x1 (4300W RMS) 1CH AMPLIFIER JP43

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Introducing the Down4Sound JP43, a monoblock amplifier that delivers a staggering 4300W RMS—and that's just the beginning. Engineered for bass aficionados, this is not your average 4000W amp. It's a sonic juggernaut designed to unleash monstrous, storm-level bass from your subwoofer.
Advanced Features for Peak Performance
- Dual Power and Ground Inputs: For optimal power stability, we've incorporated dual power and ground inputs.
- High-Quality RCA Connectors: Equipped with true Tiffany RCA connectors for unmatched signal integrity.
- Instant Cooling Fan: The internal fan kicks in as soon as you power up, ensuring the amplifier stays cool during intense usage.
- Color: Black
Warranty Requires Electrical Upgrade
To unlock the full potential of this amplifier, a mandatory electrical upgrade is essential. Failure to meet these requirements will void the warranty. You'll need:
- The Big 3
- Upgraded Alternator
- Reserve Battery(s)
Power Ratings (Tested at 14.4V @ 1% THD)
- 1-ohm: 4300W RMS
- 2-ohm: 2300W RMS
- 4-ohm: 1300W RMS
Additional Technical Specifications
- Frequency Response: 14Hz – 260Hz
- Signal-to-Noise Ratio: 89dB
- Damping Factor: < 400
- Efficiency at 4-ohm: 94%
- Input Sensitivity: 6V – 0.2V
- Subsonic Filter: 10Hz – 50Hz
- Low Pass Filter: 35Hz – 250Hz
- Phase Control: 0 – 180 degrees
- Strappable Connection: Yes
- Speaker Connection: Compatible down to half an ohm
- Fusing: 400A Total (200A for each positive input)
- Clipping Indicator: Yes
- BT Remote Control: Features voltage and temperature display, along with a clipping indicator
- Power Connection for BT Remote: C-type (external battery pack or USB power required; unit does not have rechargeable batteries)
- Speaker Output: 4-gauge
- Power Inputs: 2 x 0-gauge
- Operating Voltage: 9 to 16 Volts
- Dimensions: 15.75" (L) x 9.37" (W) x 2.64" (H)
- Country of Origin: Made in South Korea









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Do your products come with a warranty?
Yes all products we sell carry there manufactures warrany
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1(775)7374181
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All sales are final, Under certain circumstances some excepions may be made
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