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Description
Key Features
- 7‑Channel High-Efficiency Amplifier – Delivers robust audio across all car speaker channels and subwoofer.
- High Power Output – Up to 100 W × 5 for speakers and 500 W × 1 for subwoofer (at 2 Ω), ideal for full-range audio enhancement.
- Advanced Crossover Configuration – Separate subwoofer low-pass filter (LPF) and main speaker high-pass filter (HPF) for precision tuning.
- Class A/B Circuitry – Ensures rich sound fidelity with low noise and distortion for all channels.
- Speaker-Level Input & Auto Turn-On – Automatically activates when signal detected; compatible with factory or aftermarket head units.
- Protection Suite – Includes overheat, overload, and short circuit safeguards for secure operation.
Technical Specifications
| Feature | Description |
|---|---|
| Model | GM-DX874 |
| Channels | 7‑Channel (5 full-range + 1 subwoofer + Remote sub control) |
| Power Output (RMS) | 100 W × 5 @ 4 Ω; 250 W × 1 @ 4 Ω (sub) / 500 W × 1 @ 2 Ω (sub) |
| Crossover Filters | HPF for full-range: 50–200 Hz; LPF for sub: 50–200 Hz |
| THD | <0.05% |
| Signal-to-Noise Ratio | >105 dB |
| Input Types | RCA + speaker-level with auto turn-on |
| Remote Sub Control | Adjustable gain remote included |
| Protection Features | Thermal, overload, short-circuit protections |
| Dimensions | 250 × 53 × 220 mm |
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