1. Introdución
This manual provides essential information for the proper installation, operation, and maintenance of your Klipsch Synergy Black Label Sub-120 front-firing 12” subwoofer. Designed to deliver powerful bass, this subwoofer features 200 watts of continuous power and 400 watts of dynamic power, driven by an all-digital amplifier for accurate sound reproduction. It is compatible with most AV receivers, enhancing any home theater setup with deep, thundering bass.

Figure 1: Klipsch Synergy Black Label Sub-120 Subwoofer, showcasing its front-firing design and distinctive copper cone.

Figure 2: Klipsch Synergy Black Label Sub-120 Subwoofer with its strong, flexible, and removable grille in place.
2. Información importante de seguridade
Please read all safety instructions before operating this product. Keep this manual for future reference. Adhere to all warnings on the product and in the operating instructions.
- Fonte de enerxía: Only connect the subwoofer to a power supply of the type described in the operating instructions or as marked on the appliance.
- Ventilación: Asegúrese de que haxa unha ventilación axeitada. Non bloquee ningunha abertura de ventilación. Instáleo segundo as instrucións do fabricante.
- Calor: Non instale preto de fontes de calor como radiadores, rexistros de calor, cociñas ou outros aparellos (incluíndo amplificadores) que producen calor.
- Auga e humidade: Do not use this apparatus near water or in excessively humid environments.
- Limpeza: Limpar só cun pano seco.
- Servizo: Non intente atender este produto vostede mesmo. Remita todo o servizo a persoal de servizo cualificado.
3. Que hai na caixa
Ao desembalar, comproba que se inclúen todos os seguintes elementos:
- Klipsch Synergy Black Label Sub-120 Subwoofer
- Cable de alimentación
- Manual de instrucións (este documento)
Note: Connection wires (e.g., RCA cables) are not included and must be purchased separately.
4. Configuración
4.1 Colocación do subwoofer
For optimal performance and bass response, it is recommended to place your Klipsch Sub-120 subwoofer in a corner of the room. Corner placement utilizes the room's acoustics to enhance bass output and provide a more immersive audio experience.
4.2 Conexións
The Klipsch Sub-120 offers flexible connection options to integrate with almost any AV receiver or stereo system.
- Entrada LFE (efectos de baixa frecuencia): For receivers with a dedicated subwoofer output (LFE or SUB OUT), connect a single RCA cable from the receiver's subwoofer output to the LFE input on the subwoofer. This is the recommended connection for home theater systems.
- Line In (Stereo RCA Inputs): If your receiver does not have an LFE output, connect stereo RCA cables from your receiver's pre-out (left and right) to the corresponding Line In (L/R) inputs on the subwoofer.

Figura 3: detallada view of the Line In and LFE input connections on the subwoofer's rear panel.
4.3 Conexión de alimentación
Once audio connections are made, connect the provided power cord to the subwoofer's power input and then to a suitable wall outlet (100-240V, 50/60Hz 2A).
5. Funcionamento do subwoofer
The Klipsch Sub-120 features several controls on its rear panel to fine-tune its performance to your listening environment and preferences.

Figure 4: Rear panel of the Klipsch Sub-120, illustrating the location of all controls and inputs.
5.1 Controisview
- Control de GANANCIA (volume): Axusta o nivel de saída xeral do subwoofer. Comeza cun axuste baixo e aumenta gradualmente ata que os graves se mesturen perfectamente cos altofalantes principais.
- LOW-PASS (Crossover) Control: This knob sets the upper frequency limit for the subwoofer. Frequencies above this setting will not be reproduced by the subwoofer. Adjust this to match the low-frequency capabilities of your main speakers. A common starting point is 80Hz, but it can be adjusted between 40Hz and 120Hz.
- Interruptor de FASE (0°/180°): This switch adjusts the phase of the subwoofer's output relative to your main speakers. Experiment with both settings to find the one that provides the most impactful and coherent bass response in your listening position.
- ON/AUTO/OFF Switch:
- ACTIVADO: The subwoofer remains continuously powered on.
- AUTOMÁTICO: The subwoofer automatically turns on when an audio signal is detected and enters standby mode after a period of inactivity.
- OFF: The subwoofer is powered off.
6. Mantemento
To ensure the longevity and optimal performance of your Klipsch Sub-120 subwoofer, follow these simple maintenance guidelines:
- Limpeza: Use a dry, soft cloth to wipe down the cabinet. Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish.
- Coidado da reixa: The subwoofer features a removable grille. If cleaning is necessary, gently remove the grille and use a soft brush or vacuum cleaner with a brush attachment to remove dust.
- Ventilación: Periodically check that the ventilation openings are clear of dust and debris to prevent overheating.
- Almacenamento: If storing the subwoofer for an extended period, disconnect it from power and store it in a cool, dry place, preferably in its original packaging.
7 Solución de problemas
If you encounter issues with your Klipsch Sub-120 subwoofer, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| Sen son do subwoofer |
|
|
| Distorted or Unclear Bass |
|
|
| Subwoofer Not Turning On Automatically |
|
|
8. Especificacións
Detailed technical specifications for the Klipsch Synergy Black Label Sub-120 Subwoofer:
| Característica | Detalle |
|---|---|
| Nome do modelo | SUB-120 |
| Tipo de altofalante | Subwoofer |
| Diámetro do subwoofer | 12 polgadas |
| Tipo de woofer | Spun copper front-firing Cerametallic woofers |
| Potencia Continua | 200 vatios |
| Poder Dinámico | 400 vatios |
| AmpTipo máis vivo | Dixital Ampmáis vivo |
| Resposta en frecuencia | Up to 20 KHz (adjustable via Low-Pass filter) |
| Tecnoloxía de conectividade | Wired (RCA Line In/LFE) |
| Método de control | Manual (Gain, Low-Pass, Phase, Power) |
| Dimensións do produto (P x A x A) | 19.25" x 14" x 16" |
| Peso do elemento | 36.4 libras |
| Cor | Negro |
| Material | Wood cabinet, Copper woofer |
| Fonte de enerxía | Eléctrico con cable |
| Usos recomendados | Home Theater, Televisions, Gaming Consoles, Streaming Devices |

Figure 5: Dimensions of the Klipsch Synergy Black Label Sub-120 Subwoofer.
9. Garantía e soporte
9.1 Información da garantía
The Klipsch Synergy Black Label Sub-120 Subwoofer comes with a Garantía limitada. For specific terms, conditions, and duration of the warranty, please refer to the warranty card included with your product or visit the official Klipsch websitio.
9.2 Atención ao cliente
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Klipsch Customer Support. Contact information can typically be found on the Klipsch official websitio web ou na embalaxe do produto.
Recursos en liña: Visita o Klipsch oficial websitio para preguntas frecuentes, rexistro de produtos e recursos de asistencia adicionais.