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JAOne Class D Monoblock Subwoofer Amplifier The JAOne is designed for clean, efficient subwoofer amplification in a compact mono-block form factor. Its Class D digital design provides strong low-frequency output while maintaining efficiency and reduced heat, making it ideal for systems where space and reliability matter. With both high-level speaker inputs and low-level RCA inputs, the amplifier integrates easily into factory or aftermarket audio systems while providing flexible tuning controls to dial in bass response. Power & Performance 300W RMS x1 @ 4Ω (1% THD+N) 500W RMS x1 @ 2Ω 1000W RMS x1 @ 1Ω stable operation Up to 1525W peak power output Class D digital amplifier design Subwoofer Tuning Controls Built-in tuning features allow installers and users to fine-tune bass performance to match the subwoofer system and enclosure. Adjustable low-pass crossover (50 Hz – 150 Hz) Variable bass boost at 45 Hz (0 – 6 dB) Variable gain control (200 mV – 6 V) Frequency response: 20 Hz – 150 Hz Flexible System Integration The JAOne amplifier supports multiple signal input types, allowing easy integration with both factory and aftermarket head units. High-level speaker wire inputs Low-level RCA inputs Mono speaker output configuration 1Ω stable operation for subwoofer applications Compact Installation Design The amplifier’s compact footprint allows flexible installation in vehicles where space may be limited while still delivering strong subwoofer performance. Compact chassis for easier installation Recommended 8 AWG power and ground wiring Recommended 12 AWG speaker wiring 30A x 3 fuses Specifications Amplifier Class D Digital Speaker Outputs Mono CTA-2006-D Certification Certified RMS Power @ 4Ω 300W x1 RMS Power @ 2Ω 500W x1 RMS Power @ 1Ω 1000W x1 Peak Power 1525W Inputs High-Level (Speaker Wire), Low-Level (RCA) Low-Pass Crossover Adjustable 50 Hz – 150 Hz Bass Boost Variable 0 – 6 dB @ 45 Hz Frequency Response 20 Hz – 150 Hz Signal-to-Noise Ratio 90 dBA Gain Adjustment 200 mV – 6 V Recommended Power/Ground Wire 8 AWG Recommended Speaker Wire 12 AWG Fuse Rating 30A x 3 Dimensions (H x D x W) 2.01" x 5.67" x 8.25"
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