Down4Sound JP10.4 | 6000W RMS - 4 Channel Amplifier

The Down4Sound JP10.4 is a high-performance 4-channel Class D car amplifier designed for serious audio enthusiasts and SPL (Sound Pressure Level) systems. Delivering up to 6,000 W RMS, it provides robust, clean power across all four channels, making it ideal for driving multiple subwoofers or full-range speakers. Featuring advanced filtering, a remote bass control knob, and durable construction with a plexiglass top, this amplifier combines high output, reliability, and style for competitive and premium car audio installations.

Key Benefits

• High power output: 1,000 W RMS per channel at 4 Ω, capable of bridging for higher wattage subwoofers.
• Remote bass control knob allows fine-tuning bass levels from the driver’s seat.
• High-quality RCA inputs (Tiffany style) ensure clean, interference-free signal.
• Adjustable high-pass and low-pass filters for precise frequency optimization.
• Class D efficiency provides maximum power while minimizing heat.
• Durable plexiglass top for visual appeal and structural integrity.
• Internal high-speed cooling fan maintains safe operating temperatures under load.
• Solid power delivery via dual 1/0 GA input terminals.
• LED indicators for power, protection, and clipping status.

Technical Specifications

• RMS Power Output:
• 4 Ω: 1,000 W × 4
• 2 Ω: 1,300 W × 4
• 4 Ω Bridged: 3,300 W (1,650 W per channel)
• Frequency Response: 10 Hz – 21 kHz
• Input Sensitivity: 0.2 V – 6 V
• Signal-to-Noise Ratio (SNR): 90 dB
• Total Harmonic Distortion (THD) at 4 Ω: 0.1 %
• Filters:
• High-Pass: 20 Hz – 800 Hz (x1 / x10 multiplier)
• Low-Pass: 50 Hz – 800 Hz (x1 / x10 multiplier)
• Fuse Rating: 550 A total
• Power Terminals: Dual 1/0 GA for +12 V and ground; speaker outputs up to 4 GA
• Cooling: Internal high-speed fan
• LED Indicators: Power, Protect, Clip
• Construction: Plexiglass top, premium aluminum chassis
• Dimensions: 19.68″ L × 9.37″ W × 2.71″ H
• Weight: verify
• Country of Manufacture: Korea

Installation & Compatibility

The JP10.4 requires a robust electrical system with 1/0 GA power and ground wiring, and a 550 A fuse for safe operation. Its four channels can drive multiple speakers or subwoofers, and bridging is supported for higher wattage setups. The remote bass knob allows adjustment from the driver’s seat, and integrated filters help tailor the audio signal to each speaker type. Install in a well-ventilated area to ensure proper cooling under heavy loads.

FAQS

• What is the JP104 used for in car audio setups?
  The JP104 is designed to deliver clean mid-bass and smooth high-frequency response, making it perfect for balanced daily systems. It works well in custom builds that need clarity without distortion.
• Is the JP104 good for high-power systems?
  Yes, the JP104 handles strong RMS levels when paired with a quality amplifier. It performs best in systems that prioritize both loud output and consistent audio accuracy across various music styles.
• What should I look for before installing a JP104 speaker?
  Check your enclosure type, wiring quality, and amplifier match. Proper tuning and secure mounting ensure the JP104 delivers full performance with minimal vibration or frequency loss.
• Can I replace factory speakers with the JP104?
  You can, but expect better results with an aftermarket amp. The JP104 is engineered for enhanced sound quality, offering improved clarity and mid-range detail over standard OEM speakers.