Jensen JA4CH 4-Channel Amplifier – JA4CH
- Class D 4-Channel MOSFET Amplifier Design: Powerful, versatile, and efficient.
- High and Low-Level Inputs: Easy connection via speaker wire or RCA.
- Selectable Crossovers: High-pass, low-pass, and full-range options for flexibility.
- Bridgeable Operation: Ideal for subwoofer configurations.
- Compact Dimensions: 2.00″ x 5.63″ x 8.24″.
Features 2 Ohm stable operation, variable gain adjustment, selectable high pass/low pass/full range crossover, and Class D Technology for great sound!
Model 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 4-Channel MOSFET Amplifier
The JA4CH 4-Channel MOSFET Amplifier is designed to deliver both power and efficiency with its advanced Class D technology. It features flexible input options and selectable crossovers, allowing for a customizable sound experience. Whether you need a stereo setup or a bridged subwoofer configuration, the JA4CH can handle it with ease.
Installation Notes:
The JA4CH is ideal for both stereo and subwoofer configurations. Ensure to use an 8 AWG amplifier installation kit and 16 AWG speaker wire for optimal performance. This amplifier can handle up to four speakers or two subwoofers in a bridged mode, providing great flexibility for your audio setup.
| Speaker Outputs | 4 |
|---|---|
| Class | D Digital |
| Speaker Inputs | High level (Speaker Wire), Low Level (RCA) |
| Gain Adjustment | Variable 200 mV ~ 6 V |
| 2 Ohm Stable Stereo Operation | Yes |
| Crossover | High-Pass Crossover Variable (30 Hz – 320Hz), Low-Pass Crossover Variable (30 Hz – 320Hz) |
| Frequency Response | 20 Hz ~ 20 kHz |
| Power Supply | PWM MOSFET |
| Fuse Size and Type | 25A x 2 |
| Recommended Power/Ground Wire | 8 AWG |
| Recommended Speaker Wire | 16 AWG |
| Total Dynamic Power | 1000 Watts |
| Signal to Noise Ratio | 100 dBA |
| Dimensions | 2" x 5.63" x 8.24" (H x D x W) |
Power Information
Additional Features and Detailed Specifications:
| Specification | Details |
|---|---|
| Continuous power output (1% THD+N) |
|
| Max Dynamic Power | 1000 Watts |
| Total Harmonic Distortion (THD+N) | <0.15% at 1 Watt RMS |
| Frequency Response | 20 Hz – 20 kHz |
| Signal-to-Noise Ratio | 100 dBA (reference: 1 Watt RMS @ 4 Ohms) |












