Introduction
The Altec Lansing 221 is a 3-piece amplified speaker system designed to enhance your audio experience for music, games, and movies. This system includes two high-performance satellite speakers and a powered subwoofer, offering rich and accurate sound. It provides versatile connectivity for various devices such as PCs, laptops, MP3 players, and gaming consoles.
What's in the Box
Upon unpacking your Altec Lansing 221 speaker system, please ensure all components are present:
- One (1) Powered Subwoofer
- Two (2) Satellite Speakers
- One (1) User Manual (this document)
- Required Audio and Power Cords

Image: The Altec Lansing 221 speaker system components, including the subwoofer and two satellite speakers.
Setup Instructions
- Placement: Position the subwoofer on the floor or a sturdy surface near your computer or audio source. Place the two satellite speakers on either side of your monitor or listening area, ensuring they are equidistant for optimal stereo sound.
- Connect Satellite Speakers: Connect the cables from the satellite speakers to the corresponding output jacks on the back of the subwoofer. Ensure a secure connection.
- Connect Audio Source: Connect the audio input cable from the subwoofer to the audio output jack (typically a 3.5mm headphone jack) on your computer, MP3 player, or other audio device.
- Connect Power: Plug the power cord from the subwoofer into a standard electrical outlet.
- Power On: Turn on the speaker system using the power control, usually located on one of the satellite speakers or the subwoofer.

Image: Top view of a satellite speaker, showing its compact design.
Operating Instructions
- Power On/Off: Use the power button or switch to turn the system on or off. An indicator light will typically confirm the power status.
- Volume Control: Adjust the master volume using the dedicated volume knob or buttons, usually found on one of the satellite speakers or a wired remote control.
- Headphone Jack: A headphone jack may be present on one of the satellite speakers. Plugging in headphones will typically mute the speakers and route audio to your headphones.
- Audio Source Adjustment: Ensure the volume on your connected audio source (computer, MP3 player) is also adjusted to a suitable level to prevent distortion.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker surfaces. Avoid using liquid cleaners or abrasive materials, which can damage the finish or internal components.
- Placement: Keep speakers away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the subwoofer to prevent overheating.
- Cable Management: Periodically check all cable connections to ensure they are secure and free from damage. Avoid kinking or placing heavy objects on cables.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound |
|
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| Distorted or unclear sound |
|
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| Subwoofer bass is too strong or weak |
|
|

Image: Front view of the Altec Lansing 221 subwoofer, showing the speaker grille and port.
Specifications
- Model Name: Lansing 221
- Speaker Type: 2.1 System (Subwoofer and Satellites)
- Connectivity Technology: Wired
- Speaker Maximum Output Power: 150 Watts
- Subwoofer Diameter: 4 Inches
- Satellite Speaker Size: 1 Inches (full-range drivers)
- Compatible Devices: Desktop, Laptop, MP3 Player, Smartphone, Tablet
- Product Dimensions: 13.1"D x 12.1"W x 9.5"H
- Item Weight: 8.95 pounds
- Color: Silver
- Control Method: Remote (wired)
- Power Source: Corded Electric
Warranty Information
The Altec Lansing 221 Amplified Speaker System comes with a Limited Warranty. Please refer to the warranty card included with your product for specific terms, conditions, and duration of coverage. Retain your proof of purchase for warranty claims.
Support
For further assistance, technical support, or information regarding your Altec Lansing 221 speaker system, please visit the official Altec Lansing website or contact their customer service department. You can find more information at the Altec Lansing Store.





