Uploaded March 2026 | Updated September 2026, 2 weeks ago

---

DOWN4SOUND JP154 - GREEN | 1000W RMS 4CH CAR AUDIO AMPLIFIER
down4soundshop.com/JP154-GR-/?searchid=10812135&search_query=154

The DOWN4SOUND JP154 Gray is a 1000W RMS 4 Channel Class D car audio amplifier built for strong mids, highs, and versatile multi speaker systems. Engineered for clean power delivery and efficient performance, the JP154 delivers reliable multi channel output with precise tuning control in a refined performance chassis.

The Gray edition delivers a clean neutral finish that complements gray themed builds and refined installations where performance and presentation go hand in hand.

Gray Finish

The gray housing is designed for clean installs and balanced builds where visual detail matters.

Gray exterior housing
Clean show ready appearance
Power Output

4 × 150W RMS at 4 ohms
4 × 250W RMS at 2 ohms
2 × 500W RMS at 4 ohms bridged
1000W RMS total rated output at 2 ohms
Power ratings tested at 14.4V and 1 percent THD for consistent real world performance.

Precision Crossovers Fully Adjustable

Frequency response 10Hz to 24kHz
Signal to noise ratio 93dB
Damping factor 130
Input sensitivity 0.2V to 6V
High pass filter 20Hz to 800Hz
High pass multiplier x1 and x10 from 200Hz to 8kHz
Low pass filter 50Hz to 800Hz
Low pass multiplier x1 and x10 from 500Hz to 8kHz
Band pass capable
41 click potentiometer for HPF and LPF adjustment