Jensen JAFour 4-Channel Class-D MOSFET Amplifier
Jensen JAFour 4-Channel Class-D MOSFET Amplifier is backordered and will ship as soon as it is back in stock.
Care information
Care information
Display general product information or specific product information using metafields.
Delivery and Shipping
Delivery and Shipping
Add some general information about your delivery and shipping policies.
Jensen JAFour 4-Channel Class-D MOSFET Amplifier is backordered and will ship as soon as it is back in stock.
Highlight title
Text to highlight a key feature of your product
Description
Description
The Jensen JAFour is an Apex Series 4-channel Class-D MOSFET amplifier engineered to deliver up to 950 W of dynamic power. Its efficient digital circuitry ensures cooler operation and dependable output even when mounted in tight vehicular spaces.
Equipped with selectable high-pass, low-pass, and full-range crossovers, this versatile amplifier seamlessly integrates into various car audio setups. Both high-level speaker wire and low-level RCA inputs provide direct compatibility with factory and aftermarket head units.
Key Features
| Brand | Jensen |
| Model | JAFour |
| Product Type | Car Audio Amplifier |
| Amplifier Series | Apex Series |
| Amplifier Class | Class-D Digital |
| Channels | 4 |
| Total Dynamic Power | 950 W |
| Continuous Power Output (1% THD+N) | 130 W RMS x 4 @ 4 Ohms, 215 W RMS x 4 @ 2 Ohms, 440 W RMS x 2 @ 4 Ohms (Bridged) |
| Maximum Dynamic Power Output (10% THD+N) | 145 W x 4 @ 4 Ohms, 235 W x 4 @ 2 Ohms, 465 W x 2 @ 4 Ohms (Bridged) |
| Frequency Response | 20 Hz – 20 kHz |
| Signal to Noise Ratio | 82 dBA (ref: 1 W RMS) |
| Total Harmonic Distortion (THD+N) | <0.12% at 1 W RMS |
| Crossover | Adjustable high-pass / low-pass / full range (50 Hz – 250 Hz) |
| Bass Boost | Variable 0–6 dB at 45 Hz |
| Variable Gain | 300 mV – 6 V |
| Audio Inputs | High level (Speaker Wire), Low level (RCA) |
| Fuse Rating | 2 x 30A |
| Recommended Power/Ground Wire | 8 AWG |
| Recommended Speaker Wire | 12 AWG |
| Dimensions (H x D x W) | 5.1 cm x 16.6 cm x 23.2 cm |
| Estimated Shipping Weight | 2.2 kg |
Highlights
- This amp can reach a max dynamic power of 950 Watts for a powerful listening experience!
Compatibility
Compatible with vehicle audio systems featuring standard low-level RCA preamp outputs or high-level factory speaker wire inputs. Supports 2 Ohm and 4 Ohm stereo loads as well as 4 Ohm bridged configurations.
Warranty
4-year limited warranty when registered within 60 days of purchase.
Downloads
Frequently asked questions
|
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product features
Use this section to highlight specific product features to your customers.
Product comparison grid
Add content here to explain a bit about the range of products on offer and which ones may be most suitable for your customers.




