Description
Genuine JBL VRX918SP Complete Amplifier Assembly – Part #363679-005X
Restore the performance of your JBL VRX918SP powered subwoofer with this genuine JBL Complete Amplifier Assembly, part number 363679-005X. This factory-original replacement amplifier is designed specifically for the VRX918SP and provides the same power, DSP processing, and reliability as the original equipment.
Whether your amplifier has failed due to power surges, overheating, or years of heavy professional use, this OEM replacement module allows you to return your powered subwoofer to factory performance without modifications.
As a JBL Authorized Service Center since 1977, The Speaker Exchange supplies genuine JBL replacement parts that meet original factory specifications.
Features
- Genuine JBL OEM replacement amplifier
- JBL Part Number 363679-005X
- Complete amplifier assembly
- Direct replacement for JBL VRX918SP
- Factory DSP programming
- Voltage selectable for 110V or 220V
- Brand new
- One-year warranty
- Worldwide shipping available
Common Amplifier Failure Symptoms
Your amplifier may need replacement if your VRX918SP experiences:
- No power
- No audio output
- Protection mode
- Distorted bass
- Intermittent sound
- Loud popping noises
- Amplifier shuts down during operation
- Burned amplifier electronics
- Damaged input section
- Power LED illuminates but produces no sound
Why Choose a Genuine JBL Amplifier?
Using a genuine OEM JBL amplifier ensures:
- Correct factory DSP tuning
- Proper crossover settings
- Original limiter protection
- Factory power output
- Perfect mechanical fit
- Maximum system reliability
Unlike aftermarket solutions, this amplifier is engineered specifically for the VRX918SP powered subwoofer and preserves the speaker’s original acoustic performance.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | JBL Professional |
| Part Number | 363679-005X |
| Product Type | Complete Amplifier Assembly |
| Condition | Brand New |
| Voltage | 110V / 220V Selectable |
| Warranty | 1 Year |
| Application | Powered Subwoofer |
| Compatible Model | JBL VRX918SP |
Installation
This amplifier is designed as a direct OEM replacement for the original amplifier assembly installed in the JBL VRX918SP powered subwoofer.
Professional installation is recommended to ensure proper wiring, gasket sealing, and safe operation.
Why Buy From The Speaker Exchange?
For nearly 50 years, The Speaker Exchange has specialized in professional loudspeaker repair and OEM replacement parts.
Customers include:
- Touring production companies
- Houses of worship
- Audio rental companies
- Schools and universities
- Live performance venues
- Commercial AV installers
- Sound contractors
Every amplifier is carefully inspected before shipment and backed by a one-year warranty.
FAQ Section
Is this a genuine JBL amplifier?
Yes. This is a brand-new genuine JBL OEM Complete Amplifier Assembly.
Is this a complete amplifier?
Yes. This is the complete replacement amplifier assembly, not just a circuit board.
Does it work worldwide?
Yes. The amplifier supports both 110V and 220V operation using the voltage selector.
Is this plug-and-play?
Yes. It installs as a direct OEM replacement using the factory mounting points and connections.


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