Introduction
Thank you for choosing the Infinity Basslink DC powered subwoofer system. This manual provides essential information for the proper installation, operation, and maintenance of your new subwoofer. Please read this manual thoroughly before using the product to ensure safe and optimal performance. The Basslink DC is designed to deliver powerful bass in a compact form factor, suitable for a wide range of vehicle applications.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the product:
- Ensure all connections are secure and properly insulated to prevent short circuits.
- Do not expose the subwoofer to excessive moisture or extreme temperatures.
- Avoid placing the subwoofer in locations where it could obstruct driver visibility or interfere with vehicle controls.
- Disconnect the vehicle's battery before performing any electrical work.
- WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Product Overview
Key Features
- Integrated system with a 10-inch (250mm) woofer and a 10-inch (250mm) passive radiator for enhanced bass response.
- Efficient 200-watt RMS Class D amplifier provides powerful and clear audio output.
- Compact footprint allows for flexible placement in vehicles where traditional custom enclosures may not fit.
- Equipped with a complete set of user controls for total optimization of performance, including gain, bass EQ, and crossover adjustments.
- Features quick-disconnects and quick-release connections for easy hook-up and convenient removal when additional cargo space is required.
- Connectivity via RCA inputs.
- Powered by a corded electric source.
Package Contents
- Infinity Basslink DC Subwoofer
- Quick Start Guide (QSG)

Front and side view of the Infinity Basslink DC subwoofer, showcasing its compact design and grille.
Setup and Installation
Placement Considerations
The Basslink DC's compact design allows for versatile placement within your vehicle. Consider locations that provide adequate ventilation and do not interfere with vehicle operation or passenger safety. Common placement areas include the trunk, under seats, or in cargo areas. The quick-release connections facilitate easy removal if extra cargo space is needed.

The Infinity Basslink DC subwoofer installed in the trunk of a vehicle, demonstrating its compact size and easy integration.
Wiring Connections
The Basslink DC connects to your vehicle's audio system via RCA inputs. Ensure proper connections for power, ground, and remote turn-on. Refer to the Quick Start Guide for detailed wiring diagrams specific to your vehicle's audio system. Utilize the quick-disconnect terminals for simplified installation and removal.
- Power Connection: Connect the main power wire to the vehicle's battery, ensuring an inline fuse is installed close to the battery.
- Ground Connection: Connect the ground wire to a clean, unpainted metal surface on the vehicle chassis.
- Remote Turn-On: Connect the remote wire to the remote output of your head unit or an ignition-switched 12V source.
- Audio Input: Connect the RCA cables from your head unit's subwoofer output to the Basslink DC's RCA inputs.
Operation
Powering On/Off
The Basslink DC will automatically power on when it receives a remote turn-on signal from your vehicle's head unit and power is supplied. It will power off when the remote signal is removed. A 'Power' indicator light on the control panel will illuminate when the unit is active.
User Controls
The Basslink DC features a control panel to fine-tune its performance to your preference and vehicle acoustics. These controls typically include:
- Gain Control: Adjusts the input sensitivity of the amplifier to match the output level of your head unit. Start with the gain at minimum and slowly increase until the desired bass level is achieved without distortion.
- Bass EQ: Provides a boost or cut to specific bass frequencies, allowing you to tailor the bass response.
- Crossover Control: Sets the upper frequency limit for the subwoofer. This ensures that the subwoofer only reproduces low frequencies, while your main speakers handle the mid-range and high frequencies. Adjust this to blend seamlessly with your vehicle's existing speakers.

Rear view of the Infinity Basslink DC subwoofer showing its dimensions and control panel with Power, Protect, Gain, Bass EQ, and Crossover adjustments.
Maintenance
The Basslink DC requires minimal maintenance. Follow these guidelines to ensure longevity:
- Regularly clean the exterior with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Ensure that the grille and ventilation openings are free from dust and debris to prevent overheating.
- Periodically check all wiring connections for tightness and corrosion.
Troubleshooting
If you experience issues with your Basslink DC, consult the following common troubleshooting steps:
- No Power: Check the power, ground, and remote turn-on connections. Verify the inline fuse near the battery. Ensure the vehicle's ignition is on.
- No Sound: Confirm that the RCA audio cables are securely connected to both the head unit and the Basslink DC. Check the gain and crossover settings. Ensure the head unit's subwoofer output is enabled and properly configured.
- Distorted Sound: Reduce the gain setting on the Basslink DC. Check the head unit's volume and bass settings to ensure they are not excessively high. Verify that the crossover frequency is set appropriately.
- 'Protect' Light On: If the 'Protect' indicator light illuminates, the amplifier may be in protection mode due to overheating, a short circuit, or an impedance mismatch. Turn off the system, allow it to cool, and check all wiring for shorts.
If these steps do not resolve the issue, contact customer support for further assistance.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Infinity |
| Speaker Maximum Output Power | 300 Watts (Peak) |
| Connectivity Technology | RCA |
| Audio Output Mode | Stereo |
| Mounting Type | Tabletop Mount (Flexible Placement) |
| Speaker Type | Subwoofer |
| Subwoofer Diameter | 10 Inches (250mm) |
| Controller Type | Corded Electric |
| Item Dimensions (D x W x H) | 8.31"D x 14.5"W x 14.5"H |
| Item Weight | 22.9 Pounds |
| Model Number | INFBASSLINKDCBLK |
| Model Name | Basslink DC |
| UPC | 050667371210 |
Warranty and Support
The Infinity Basslink DC is covered by a 1-year manufacturer's limited warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
For technical support, warranty service, or additional information, please refer to the contact details provided in your Quick Start Guide or visit the official Infinity website. Do not attempt to repair the unit yourself, as this may void your warranty.



