Jensen JAFour 4-Channel Class-D MOSFET Amplifier
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.
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Frequently asked questions
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