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Warning about prolonged exposure to high sound pressure levels and potential hearing loss.
Detailed power output specifications for different models and impedances.
Physical size and weight measurements for each amplifier model.
Recommendation for authorized retailer installation for optimal performance and warranty.
Guidelines for proper amplifier mounting to ensure adequate airflow and prevent damage.
Instructions for connecting power and ground cables, including terminal types.
How to connect the remote turn-on wire from the source unit for amplifier activation.
How to connect speaker wires to the amplifier terminals securely and correctly.
Procedure for adjusting amplifier gain to match the source unit's output without distortion.
How to bridge the D3 400.2 amp for a 4 Ohm mono output.
Details on connecting RCA cables for input and output signals.
Explanation of the electronic crossover and its adjustable settings.
Explanation of Bass Boost, Crossover Mode, and Crossover Frequency adjustments.
How to bridge the D3 400.4 amp for a 4 Ohm mono output.
Details on selecting front and rear RCA inputs for the D3 400.4 amplifier.
Explanation of different input modes for mono and stereo operation.
Description of the remote gain module and its function for external gain control.
Details on connecting RCA cables to the amplifier's input.
Settings for the lowpass crossover, including slope selection.
Adjustments for subwoofer phase and a dedicated sub-bass equalizer.
Details of the warranty coverage, terms, and conditions.
Instructions on how to obtain warranty service and required documentation.
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