PAC
PAC AOEM-GM21A Four-Channel Amplifier Integration Interface for Select GM Radios
PAC AOEM-GM21A Four-Channel Amplifier Integration Interface for Select GM Radios
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Confirm the size, power, connections, and included or separately required parts described on this page.
Professional installation is recommended for this product.
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Add aftermarket amplification while retaining a supported factory radio. The OEM-1 interface and matched vehicle harness provide four RCA signal paths and an amplifier turn-on connection.
At a Glance
- Four-channel RCA output
- Factory-volume-controlled output
- Transformer-isolated signal path
- Vehicle-specific harness preserves the original connector
Compatibility & Installation Requirements
Select 1998–2002 GM factory-radio applications. Verify the original connector and audio system in PAC applications.
Confirm the exact vehicle year, model, factory radio and amplifier before ordering. Installation may need additional radio harnesses, antenna adapters or steering-wheel-control equipment; this product supplies only the functions described.
Included Equipment
- OEM-1 interface
- Matched vehicle harness
Technical Specifications
| Brand | PAC |
|---|---|
| Model | AOEM-GM21A |
| UPC | 606523105354 |
| Sold as | One product or kit as described |
| Published vehicle era | 1998–2002 |
| RCA output channels | 4 |
| Frequency response | 20 Hz–20 kHz, dependent on source signal |
| Included interface family | OEM-1 |
Manufacturer Resources & Warranty
Help Choosing Your Setup
Tell MCOR Automotive your vehicle year, make, model, original radio and planned upgrade. Contact us for help checking the factory equipment, signal compatibility and installation parts before ordering.
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