shop header graphic
shop header graphic
shop header graphic

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″.

Available on:

amazon logo with link to product

SKU: JA4CH Category:

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
Amplifier Type Class D 4-Channel MOSFET
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 (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)

Documents

Manuals & More

JA4CH


Click Here to Read Warning for California Residents