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Black cube subwoofer with 8-inch driver and control knobs

Monoprice Inc.

Monoprice 108248 8-inch Powered Subwoofer 60W RMS Black

SKU CH-YX0W-Z9QFR

An 8-inch powered subwoofer delivering 60 watts RMS with adjustable 50–150 Hz crossover and multiple inputs for stereo or 5.1 systems

  • TypeHome Theater Speaker System
  • Power Supply60W
  • Features8 inch powered subwoofer capable of producing 60 watts (RMS)
  • Deep bass down to 50 Hz from 8 inch driver
  • 60 W RMS power for strong low-frequency impact
  • Adjustable crossover 50 to 150 Hz blends with main speakers
  • High-level and line-level inputs fit any stereo or 5.1 system
  • Dedicated outputs maintain amplifier load and front-speaker power

Compact 8-inch powered subwoofer

This 8-inch powered subwoofer delivers 60 watts RMS output for home audio systems. It suits listeners who want deeper bass without a large cabinet or external amplifier. The built-in amplifier keeps the setup simple for stereo or multichannel use. Buyers needing higher output or larger driver area should consider other models.

Adjustable crossover and flexible connections

Gain and frequency knobs on the control panel let you tune the lowpass crossover between 50 and 150 Hz to blend with main speakers. High-level inputs accept speaker-level signals from an amplifier’s front left and right outputs without affecting impedance or power to those speakers. Matching outputs pass the signal through for each input. Line-level inputs are also provided for receivers with a dedicated subwoofer output.

50 to 250 Hz frequency response

The subwoofer reproduces frequencies from 50 to 250 Hz, covering the fundamental bass range for music and film soundtracks. This range determines how low the bass extends and where the crossover hands off to your main speakers. If your room or content demands extension below 50 Hz, this unit will not reach those frequencies.

Highlights

  • Deep bass down to 50 Hz from 8 inch driver
  • 60 W RMS power for strong low-frequency impact
  • Adjustable crossover 50 to 150 Hz blends with main speakers
  • High-level and line-level inputs fit any stereo or 5.1 system
  • Dedicated outputs maintain amplifier load and front-speaker power

Specifications

BrandMonoprice
Model108248
Part Number108248
TypeHome Theater Speaker System
Power Supply60W
Features8 inch powered subwoofer capable of producing 60 watts (RMS) output.

Questions about this item

What does the adjustable lowpass crossover filter range from 50 to 150Hz actually limit?

The filter caps the subwoofer's upper frequency response between 50 and 150Hz, letting you blend bass output with your main speakers by setting the point where the subwoofer rolls off.

What physical connections are required to fit this subwoofer into an existing stereo or 5.1 system?

The unit provides high-level speaker-level inputs and outputs plus left/right line-level RCA inputs and outputs, so it can be wired in parallel from amplifier speaker terminals or from a dedicated subwoofer pre-out.

Which wiring step do users often get wrong when hooking this subwoofer to a 5.1 amplifier?

Connect the high-level inputs in parallel from the front left and front right speaker outputs, not from the dedicated subwoofer output, so the subwoofer receives a full-range signal while the main speakers stay connected.

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