Introdução
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.
O que está na caixa
Upon unpacking your Altec Lansing 221 speaker system, please ensure all components are present:
- One (1) Powered Subwoofer
- Two (2) Satellite Speakers
- Um (1) Manual do Usuário (este documento)
- Required Audio and Power Cords

Image: The Altec Lansing 221 speaker system components, including the subwoofer and two satellite speakers.
Instruções de configuração
- Colocação: 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.
- Conecte as caixas de som satélite: Connect the cables from the satellite speakers to the corresponding output jacks on the back of the subwoofer. Ensure a secure connection.
- Conectar fonte de áudio: 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.
- Conecte a energia: Ligue o cabo de alimentação do subwoofer a uma tomada elétrica padrão.
- Ligar: Turn on the speaker system using the power control, usually located on one of the satellite speakers or the subwoofer.

Imagem: Topo view of a satellite speaker, showing its compact design.
Instruções de operação
- Ligar/desligar: Use the power button or switch to turn the system on or off. An indicator light will typically confirm the power status.
- Controle de volume: Adjust the master volume using the dedicated volume knob or buttons, usually found on one of the satellite speakers or a wired remote control.
- Plug do fone de ouvido: 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.
Manutenção
- Limpeza: 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.
- Colocação: Keep speakers away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the subwoofer to prevent overheating.
- Gerenciamento de cabos: Periodically check all cable connections to ensure they are secure and free from damage. Avoid kinking or placing heavy objects on cables.
Solução de problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Sem som |
|
|
| Som distorcido ou pouco nítido |
|
|
| Subwoofer bass is too strong or weak |
|
|

Imagem: Frente view of the Altec Lansing 221 subwoofer, showing the speaker grille and port.
Especificações
- Nome do modelo: Lansing 221
- Tipo de alto-falante: 2.1 System (Subwoofer and Satellites)
- Tecnologia de conectividade: Com fio
- Potência máxima de saída do alto-falante: 150 Watts
- Diâmetro do subwoofer: 4 polegadas
- Tamanho do alto-falante satélite: 1 Inches (full-range drivers)
- Dispositivos compatíveis: Computador de mesa, laptop, reprodutor de MP3, smartphone, tablet
- Dimensões do produto: 13.1"P x 12.1"L x 9.5"A
- Peso do item: 8.95 libras
- Cor: Prata
- Método de controle: Remote (wired)
- Fonte de energia: Elétrico com fio
Informações de garantia
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.
Apoiar
For further assistance, technical support, or information regarding your Altec Lansing 221 speaker system, please visit the official Altec Lansing website ou entre em contato com o departamento de atendimento ao cliente. Você pode encontrar mais informações em Altec Lansing Store.





