Description
JAFive 5-Channel Class-D Amplifier
The JAFive is a full-range 5-channel Class-D amplifier designed to power an entire vehicle audio system from a single compact chassis. With four full-range channels and a dedicated subwoofer channel, the amplifier provides system-wide control for front speakers, rear speakers, and subwoofer output while maintaining efficient power delivery.
Flexible input options and adjustable tuning controls allow the JAFive to integrate with factory or aftermarket head units while giving installers precise control over system performance.
System-Wide Power Output
- 85W x4 + 310W x1 @ 4Ω (1% THD+N)
- 135W x4 + 495W x1 @ 2Ω (1% THD+N)
- Up to 1175W maximum dynamic power
- Class D digital amplifier design
- Five-channel configuration for full-system installations
Advanced System Tuning
Built-in crossover and bass controls allow installers to precisely match the amplifier to a wide range of speaker and subwoofer configurations.
- Adjustable high-pass and low-pass crossovers
- Crossover range: 50 Hz – 250 Hz
- Subsonic filter: 30 Hz / 24 dB
- Variable bass boost at 45 Hz (0 – 6 dB)
- Frequency response: 20 Hz – 20 kHz
Flexible System Integration
The amplifier supports both high-level and low-level signal inputs, making it compatible with factory audio systems as well as aftermarket head units.
- High-level speaker wire inputs
- Low-level RCA inputs
- Variable gain adjustment (300 mV – 6 V)
- 2Ω / 4Ω stable stereo operation
Compact Installation Design
Despite powering an entire audio system, the JAFive amplifier maintains a compact chassis designed for flexible installation in modern vehicles.
- Compact amplifier footprint
- Recommended 4 AWG power and ground wiring
- Recommended 12 AWG speaker wiring
- Dual 40A fuses
Specifications
| Amplifier Class | D Digital |
| Speaker Outputs | 5 Channel |
| CTA-2006-D Certification | Certified |
| RMS Power @ 4Ω | 85W x4 + 310W x1 |
| RMS Power @ 2Ω | 135W x4 + 495W x1 |
| Total Dynamic Power | 1175 Watts |
| Speaker Inputs | High Level (Speaker Wire), Low Level (RCA) |
| Crossover | Adjustable High-Pass / Low-Pass / Full Range (50 Hz – 250 Hz) |
| Subsonic Filter | 30 Hz / 24 dB |
| Bass Boost | Variable 0 – 6 dB @ 45 Hz |
| Frequency Response | 20 Hz – 20 kHz |
| Gain Adjustment | Variable 300 mV – 6 V |
| Recommended Power/Ground Wire | 4 AWG |
| Recommended Speaker Wire | 12 AWG |
| Fuse Rating | 40A x 2 |
| Dimensions (H x D x W) | 1.99" x 6.53" x 13.07" |