In Phase Power Amplifier - IPA9705D
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Product Information
Full details
The In Phase IPA9705D is a high-performance 5-channel power amplifier engineered for car audio enthusiasts who prioritize precise sound reproduction and robust power delivery. It is an ideal solution for powering a complete system, including four full-range cabin speakers and a dedicated subwoofer, though its significant 3600W output requires a vehicle electrical system capable of handling substantial current demands for optimal stability.
All features
| Model Part Number | IPA9705D |
|---|---|
| Brand | In Phase |
Extended Product Information
FAQs
Is this amplifier bridgeable?
Yes, the IPA9705D supports bridgeable tri-mode operation for flexible speaker and subwoofer configurations.
What is the recommended gauge for power wiring?
Given the 3600W output, a minimum of 4-gauge power and ground cable is recommended, though 0-gauge is preferred for maximum efficiency.
Can I use this with a factory head unit?
Yes, but you will likely need a high-to-low level line output converter (LOC) to provide a clean RCA signal to the amplifier.
Does this amplifier come with a bass remote?
Please check your specific retail package contents, as included accessories can vary, but the amplifier is designed to interface with standard remote bass controllers.
Why is the amplifier getting hot?
Some heat is normal during operation. If it becomes excessively hot, ensure the mounting location has sufficient airflow and check that your speaker impedances are not too low.
Troubleshooting
Amplifier fails to power on (no LED light)
Check the fuse on the power cable near the battery, verify the ground connection, and ensure the remote turn-on wire is receiving 12V.
Amplifier enters protect mode (red LED illuminated)
Check for short circuits in speaker wires, verify that speaker impedance is not below 2 ohms, and ensure the unit is not overheating.
Distorted sound or clipping
Lower the gain levels on the amplifier and verify that the input signal from the head unit is not being overdriven.
Pros and Cons
Pros
- High-efficiency Class D design for less heat generation
- Dedicated subwoofer channel simplifies system integration
- Robust protection against electrical faults
- Compact chassis allows for versatile installation
- British-designed with focus on high-fidelity performance
Cons
- Requires professional-grade wiring for power and ground
- Substantial power draw may necessitate a dedicated battery or capacitor upgrade
- Complex tuning required for optimal channel balancing
Setup, Compatibility & Care
To ensure peak performance, use high-quality oxygen-free copper (OFC) power cables of the appropriate gauge to match the amplifier's current demands. The unit is stable at both 2-ohm and 4-ohm loads, providing flexibility for varied speaker impedance.
- Mount the amplifier in a dry, ventilated area to allow for proper heat dissipation.
- Ensure the ground cable is connected to a clean, unpainted chassis point.
- Calibrate the gain settings using a digital multimeter for accurate voltage matching.
- Clean the external casing with a soft, dry cloth; avoid liquid cleaners or solvents near the connection terminals.
- Periodically check all terminal connections to ensure they remain tight and free of oxidation.