Soundstream TXP2-6500D
Soundstream TXP2-6500D Car Audio Amplifier User Manual
Model: TXP2-6500D
Brand: Soundstream
1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Soundstream TXP2-6500D 6500 Watt 2-Channel 1-Ohm Full Range Car Audio Amplifier. Please read this manual thoroughly before attempting installation or operation to ensure proper function and safety.
2. Safety Information
Important Safety Precautions:
- Always disconnect the vehicle's battery negative terminal before beginning any installation.
- Ensure all wiring is properly routed and secured to prevent damage or short circuits.
- Use appropriate wire gauges and fuses as specified to prevent fire hazards.
- Avoid mounting the amplifier in locations exposed to direct sunlight, excessive heat, moisture, or dust.
- Professional installation is highly recommended for optimal performance and safety.
- Do not open the amplifier casing. There are no user-serviceable parts inside. Refer all servicing to qualified personnel.
3. Product Features
The Soundstream TXP2-6500D amplifier is designed to deliver high-quality audio performance in a compact form factor. Key features include:
- 6500 Watts Max Power Output
- 2-Channel Configuration
- 1-Ohm Stable Operation
- Full Range Class D Topology
- Variable Crossover Network
- Remote Level Control Included

Image 3.1: Front view of the Soundstream TXP2-6500D amplifier with its included remote level control.
4. Component Identification
4.1 Amplifier Controls and Connections

Image 4.1: Side view of the amplifier, highlighting the control panel.

Image 4.2: Rear view of the amplifier, detailing the input and output connections.
- RCA Input (L/R): Connects to the source unit's RCA pre-outs for audio signal input.
- Crossover Controls:
- Level/Gain: Adjusts the input sensitivity to match the source unit's output.
- Low/High Pass Filters: Allows selection of the frequency range for the amplifier's output.
- Remote Port: RJ45 connection for the included remote level control.
- Speaker Output Terminal Block: Connects to your speakers (R+, R-, L+, L-). Observe correct polarity and impedance.
4.2 Power Input Terminals

Image 4.3: Front view of the amplifier, showing the power input terminal block.
- GND (Ground): Connects to the vehicle's chassis ground.
- REM (Remote Turn-On): Connects to the source unit's remote output.
- +12V (Power): Connects directly to the vehicle's positive battery terminal via an inline fuse.
4.3 Remote Level Control

Image 4.4: Front view of the remote level control, featuring the power indicator and adjustment knob.

Image 4.5: Rear view of the remote level control, showing the RJ45 connector for amplifier connection.
- PWR LED: Illuminates when the amplifier is powered on.
- Min/Max Knob: Allows for convenient adjustment of the amplifier's output level from the driver's seat.
5. Setup and Installation
Proper installation is critical for the performance and longevity of your amplifier. If you are unsure about any steps, consult a professional installer.
5.1 Mounting the Amplifier
- Choose a mounting location that provides adequate ventilation and is protected from moisture.
- Ensure the mounting surface is solid and can support the amplifier's weight.
- Use the provided mounting hardware to secure the amplifier.
5.2 Wiring Connections
Power Wiring:
- Connect a suitable gauge power wire (e.g., 4 AWG or larger for high power) from the vehicle's positive battery terminal to the amplifier's +12V terminal. Install an inline fuse holder within 18 inches of the battery.
- Connect a ground wire of the same gauge from the amplifier's GND terminal to a clean, bare metal point on the vehicle's chassis. Ensure a good electrical connection.
- Connect a remote turn-on wire (e.g., 18 AWG) from your source unit's remote output to the amplifier's REM terminal.
Signal Input Wiring:
- Connect RCA cables from your source unit's pre-amp outputs to the amplifier's RCA Input (L/R) jacks.
Speaker Wiring:
- Connect your speakers to the amplifier's Speaker Output Terminal Block. Ensure correct polarity (+ to + and - to -) for each speaker.
- Verify that the total impedance of the connected speakers is within the amplifier's specified operating range (1-Ohm stable).
Remote Level Control Connection:
- Connect the remote level control to the amplifier's REMOTE port using the provided RJ45 cable.
6. Operating Instructions
6.1 Initial Setup and Adjustments
- Gain Adjustment: Start with the amplifier's gain control set to minimum. Play a familiar music track at about 75% of your source unit's maximum volume. Slowly increase the amplifier's gain until you hear distortion, then back off slightly.
- Crossover Settings: Adjust the Low and High Pass filters according to your speaker configuration and desired sound. For full-range speakers, you might use a high-pass filter to protect them from low frequencies. For subwoofers, a low-pass filter is essential.
- Remote Level Control: Use the remote level control to fine-tune the bass level from your listening position. This control typically adjusts the gain within a limited range.
6.2 Power On/Off
- The amplifier will power on automatically when the source unit is turned on (via the remote turn-on wire). The PWR LED on the remote control will illuminate.
- The amplifier will power off when the source unit is turned off.
7. Maintenance
- Cleaning: Periodically wipe the amplifier's exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Inspection: Regularly check all wiring connections for tightness and signs of corrosion or damage. Ensure adequate airflow around the amplifier.
- Ventilation: Keep the amplifier's cooling fins free from obstructions to prevent overheating.
8. Troubleshooting
If you experience issues with your amplifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power / PWR LED Off | Blown fuse, loose power/ground/remote wire, faulty remote turn-on signal. | Check inline fuse, verify all power connections are secure, test remote wire for +12V when source unit is on. |
| No Sound Output | Loose RCA cables, incorrect gain setting, speaker wires disconnected, faulty speakers. | Check RCA connections, adjust gain, verify speaker wiring, test speakers. |
| Distorted Sound | Gain set too high, incorrect crossover settings, speaker impedance mismatch, poor ground connection. | Reduce gain, adjust crossover, verify speaker impedance, check ground connection. |
| Amplifier Overheating | Insufficient ventilation, speaker impedance too low, prolonged high-power operation. | Ensure proper airflow, verify speaker impedance, reduce listening volume or duration. |
9. Specifications
Technical specifications for the Soundstream TXP2-6500D amplifier:
| Feature | Specification |
|---|---|
| Brand | Soundstream |
| Model Number | TXP2-6500D |
| Number of Channels | 2 |
| Output Power | 6500 Watts (Max) |
| Minimum Impedance | 1 Ohm |
| Voltage | 6 Volts (Operating) |
| Maximum Supply Voltage | 16 Volts (DC) |
| Item Dimensions (L x W x H) | 11 x 9.5 x 4.5 inches |
| Item Weight | 5.44 pounds |
| Mounting Type | Surface Mount |
| UPC | 709483061033 |
| Specification Met | FCC |
10. Warranty Information
For detailed warranty information, please refer to the official Soundstream website or contact their customer support directly. Keep your proof of purchase for any warranty claims.
11. Customer Support
If you require further assistance or have questions not covered in this manual, please visit the official Soundstream website for support resources, FAQs, and contact information.
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