







Product description
100+ Years 
JA4CH Features 
Peak Power
This amp can reach a peak power of 1000 Watts for a powerful listening experience!

Compact Design
This amp’s compact design makes for easy, non-intrusive, and convenient installation!

Efficient Power Output
The JA4Ch Amp has a class D design for improved longevity and high efficiency power output.

Flexible Inputs
This amp has flexible input options and selectable crossovers, allowing for a customizable sound experience.
JA4CH Product Features
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Amplifier Type Class D 4-Channel MOSFET Inputs High level (Speaker Wire), Low Level (RCA) Variable Gain 200 mV ~ 6 V Low-Pass Crossover Variable (30 Hz – 320 Hz) High-Pass Crossover Variable (30 Hz – 320 Hz) Bridgeable Operation 240 Watts RMS x 2 channels @ 4 ohms (bridged) RMS Power (4 Ohms) 80 Watts RMS x 4 channels RMS Power (2 Ohms) 120 Watts RMS x 4 channels Max Dynamic Power 1000 Watts Total Harmonic Distortion <0.15% @ 1 Watt RMS Frequency Response 20 Hz ~ 20 kHz Signal-to-Noise Ratio 100 dBA Recommended Wire Sizes Power/Ground: 8 AWG, Speaker: 16 AWG Fuse Rating 25A x 2 Dimensions (HxWxD) 2.00″ x 5.63″ x 8.24″


Feature Comparison
Customer Reviews
4.2 out of 5 stars 34
3.8 out of 5 stars 12
4.4 out of 5 stars 38
4.0 out of 5 stars 6
Speaker Outputs
4 Channel
5 Channel
2 Channel
1 Channel
Class
Class D
Class D
Class D
Class D
Total Dynamic Power
1000 Watts
1500 Watts
600 Watts
1000 Watts
Speaker Inputs
High (Speaker Wire), Low (RCA)
Low (RCA)
High (Speaker Wire), Low (RCA)
High (Speaker Wire), Low (RCA)
High-Pass Crossover
Variable (30 Hz – 320 Hz)
Variable (40 Hz – 250 Hz)
Variable (30 Hz – 320 Hz)
N/A
Low-Pass Crossover
Variable (30 Hz – 320 Hz)
Variable (50 Hz – 150 Hz)
Variable (30 Hz – 320 Hz)
Variable (50 Hz – 150 Hz)
Bridgeable Operation
✔
✔
✔
✘
Fuse
25A x 2
40A x 2
25A x 2
20A x 3
Dimensions (HxWxD)
2.00″ x 5.63″ x 8.24″
2.00″ x 5.63″ x 11.00″
2.00″ x 5.63″ x 6.43″
2.00″ x 5.63″ x 8.24″
CLASS-D 4-CHANNEL AMPLIFIER – Produces 1,000 Watts peak power, 80 Watts RMS x 4 channel @ 4 ohms , 120 Watts RMS x 2 channel @ 2 ohms, and 240 Watts RMS x 2 channels @ 4 ohms (Bridged).
CLASS-D EFFICIENT DESIGN – Class-D design for improved longevity and high efficiency power output making it an ideal addition to any car audio setup.
COMPACT DESIGN – This amp’s compact design makes for easy, non-intrusive, and convenient installation!
FLEXIBLE INPUTS – This amp has flexible input options and selectable crossovers, allowing for a customizable sound experience.
INDUSTRY-LEADING 3-YEAR WARRANTY – Jensen stands by its quality. Enjoy a standard 2-year warranty, which extends to a full 3-year warranty when you register your product. Reliability that gives you total peace of mind.