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The SounDigital GAN 1500.5 Founders Edition brings four speaker channels and a dedicated subwoofer channel together in one compact amplifier. Run your speakers with 125 watts RMS per channel at 4 ohms and deliver up to 1,000 watts RMS to a 2-ohm subwoofer load—a combined 1,500 watts RMS for a complete system.
Created by SounDigital founder Juliano Anflor, this limited-edition amplifier uses gallium nitride (GaN) technology for efficient power delivery and fast switching. Its compact chassis, wide frequency response and separate speaker and subwoofer controls make it a versatile foundation for a system built around sound quality.
| Channels 1–4 at 4Ω | 4 × 125 W RMS |
|---|---|
| Channels 1–4 bridged at 8Ω | 2 × 250 W RMS |
| Subwoofer channel at 4Ω | 1 × 660 W RMS |
| Subwoofer channel at 2Ω | 1 × 1,000 W RMS |
Power ratings are specified by SounDigital at 14.4 V. Minimum speaker loads: 4Ω per channel on channels 1–4, 8Ω when bridged, and 2Ω on the subwoofer channel.
| Frequency response (−3 dB) | Channels 1–4: 5 Hz–65.25 kHz; subwoofer: 5–500 Hz |
|---|---|
| Filter slope | 12 dB/octave |
| Signal-to-noise ratio | 105 dB |
| Damping factor | 150 on channels 1–4; 75 on the subwoofer channel |
| Operating voltage | 9–16 V |
| Efficiency | 80% |
| Current draw | 65 A with music / 130 A maximum |
| Recommended fuse for music | 80 A |
| Recommended minimum battery | 80 Ah |
| Minimum power / ground cable | 16 mm² (5 AWG) OFC |
| Speaker / subwoofer cable | 2.5 mm² (13 AWG) |
| Remote turn-on cable | 1.5 mm² (15 AWG) |
| Overall dimensions | 11.7 × 5.9 × 2.1 in (297.9 × 149.9 × 54.4 mm), L × W × H |
| Amplifier net weight | 4.62 lb (2.10 kg) |
| Packaged gross weight | 8.42 lb (3.82 kg) |
Download the GAN 1500.5 Founders Edition owner’s manual (English PDF)
Includes wiring diagrams, gain adjustment, crossover setup and installation requirements. Specifications are based on SounDigital’s Founders Edition product information and owner’s manual.
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SounDigital XP 800.4 4-Channel Amplifier
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