Klipsch SUB-120

Klipsch Synergy Black Label Sub-120 Subwoofer Instruction Manual

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.

Klipsch Synergy Black Label Sub-120 Subwoofer, front view with copper cone visible

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

Klipsch Synergy Black Label Sub-120 Subwoofer with grille attached

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.
Close-up of the Klipsch Sub-120 back panel showing Line In and LFE inputs

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.

Klipsch Sub-120 back panel showing all controls and connections

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:

ProblemaCausa posibleSolución
Sen son do subwoofer
  • Cable de alimentación non conectado ou toma de corrente non activa.
  • Subwoofer is in OFF mode or AUTO mode without signal.
  • O cable de audio non está conectado ou está avariado.
  • Receiver's subwoofer output is disabled or volume is too low.
  • Check power connections and wall outlet.
  • Set ON/AUTO/OFF switch to ON or ensure audio signal is present for AUTO mode.
  • Verify audio cable connections; try a different cable.
  • Check receiver settings for subwoofer output and volume.
Distorted or Unclear Bass
  • GAIN (volume) set too high.
  • LOW-PASS (crossover) set incorrectly.
  • Axuste de fase incorrecto.
  • Subwoofer placement issues.
  • Reduce the GAIN control on the subwoofer.
  • Adjust the LOW-PASS control to blend with main speakers.
  • Toggle the PHASE switch (0°/180°) to find the best sound.
  • Experiment with different subwoofer placements.
Subwoofer Not Turning On Automatically
  • ON/AUTO/OFF switch not set to AUTO.
  • Input signal too low to trigger auto-on.
  • Ensure the switch is set to AUTO.
  • Increase the output level from your receiver's subwoofer output.

8. Especificacións

Detailed technical specifications for the Klipsch Synergy Black Label Sub-120 Subwoofer:

CaracterísticaDetalle
Nome do modeloSUB-120
Tipo de altofalanteSubwoofer
Diámetro do subwoofer12 polgadas
Tipo de wooferSpun copper front-firing Cerametallic woofers
Potencia Continua200 vatios
Poder Dinámico400 vatios
AmpTipo máis vivoDixital Ampmáis vivo
Resposta en frecuenciaUp to 20 KHz (adjustable via Low-Pass filter)
Tecnoloxía de conectividadeWired (RCA Line In/LFE)
Método de controlManual (Gain, Low-Pass, Phase, Power)
Dimensións do produto (P x A x A)19.25" x 14" x 16"
Peso do elemento36.4 libras
CorNegro
MaterialWood cabinet, Copper woofer
Fonte de enerxíaEléctrico con cable
Usos recomendadosHome Theater, Televisions, Gaming Consoles, Streaming Devices
Diagram showing the dimensions of the Klipsch Sub-120 Subwoofer: 16 inches H, 14 inches W, 19.25 inches D

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.

© 2026 Klipsch. Todos os dereitos reservados.

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