Jensen JAFive 5-Channel Class-D MOSFET Amplifier
Description
Description
The Jensen JAFive 5-Channel Class-D MOSFET Amplifier delivers high-efficiency, full-system audio performance in a single compact chassis. Engineered to drive four full-range speakers alongside a dedicated subwoofer channel, it supplies up to 1,175 Watts of dynamic power with minimal heat buildup.
Equipped with both high-level and low-level RCA inputs, this amplifier integrates seamlessly into factory and aftermarket car audio systems. Integrated high-pass and low-pass filters, variable bass boost, and selectable gain controls ensure precise audio tuning and exceptional sound clarity across all channels.
Key Features
| Brand | Jensen |
| Model | JAFive |
| Series | Apex Series |
| Amplifier Class | Class-D Digital |
| Number of Channels | 5 |
| Total Dynamic Power | 1,175 W |
| RMS Power Output (4 Ohms) | 85 W x 4 + 310 W x 1 |
| RMS Power Output (2 Ohms) | 135 W x 4 + 495 W x 1 |
| Speaker Impedance | 2 or 4 Ohm |
| Audio Inputs | High-Level (Speaker Wire), Low-Level (RCA) |
| Crossover Frequency | 50 Hz – 250 Hz (Adjustable HPF/LPF) |
| Subsonic Filter | 30 Hz / 24 dB |
| Bass Boost | Variable 0–6 dB @ 45 Hz |
| Signal-to-Noise Ratio | 86 dBA (CH 1–4) / 88 dBA (Sub) |
| Frequency Response | 20 Hz – 20 kHz (CH 1–4) / 20 Hz – 250 Hz (Sub) |
| Total Harmonic Distortion (THD+N) | <0.12% (CH 1–4) / <0.20% (Sub) @ 1 W RMS |
| Gain Adjustment | Variable 300 mV – 6 V |
| Fuses | 2 x 40A |
| Recommended Power/Ground Wire | 4 AWG |
| Recommended Speaker Wire | 12 AWG |
| Dimensions (H x D x W) | 5.1 cm x 16.6 cm x 33.2 cm |
| Weight | 2.7 kg |
Highlights
- 5-channel Class-D digital design powers front, rear, and subwoofer channels from a single unit.
- Delivers up to 1,175 Watts of peak dynamic power.
- High-level and low-level RCA inputs allow easy integration with factory or aftermarket stereos.
- Precision audio tuning with adjustable 50–250 Hz crossovers, 30 Hz subsonic filter, and variable bass boost.
- Compact chassis measuring 5.1 cm x 16.6 cm x 33.2 cm for straightforward installation.
Compatibility
Compatible with both factory and aftermarket vehicle audio head units via high-level speaker wire connections or standard low-level RCA inputs. Supports 2-ohm and 4-ohm speaker setups.
Warranty
4-year limited warranty when registered within 60 days of purchase.
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