5.25 Inch Subwoofer, 2.1 Channel Class-D Amplifier, Cube Enclosure

Brand Name
Turnkey Systems
Part #
In stock

The BJ21-01 introduces a high-quality sound solution to fit your needs, using a 5.25” subwoofer powered with a 2.1 channel class-D plate amplifier, all fit into a light, ported, MDF cube enclosure. For a simple, compact, and reliable subwoofer for active systems, choose the BJ21-01.

  • 5.25” subwoofer
  • 2.1 channel, class-D, plate amplifier
  • MDF ported enclosure (7.4 x 7.4 x 7.4”)

This product uses MISCO Amplifier 93105

Download Product Specifications (PDF) »

More Information
Brand Name Turnkey Systems
Speaker System Type Subwoofer
Enclosed Woofer Style Ported
Subwoofer Type Powered [active]
RoHS Compliant Yes
Digital Signal Processing No
Audio Signal Input Analog
Audio System Description 2.1 channel system with a sub-woofer enclosure with a connected class-D amplifier
Audio System - Number of Channels 2.1 (Stereo Sub)
System Frequency Response 80 - 20kHz
Key System Features One powered cube sub-woofer, one class-D amplifier
Sub-Woofer Description Powered cube sub, 7.4" MDF cube enclosure with port
Sub-Woofer Impedance 4
Enclosure Style Ported
Sub-Woofer Frequency Range 80 - 20kHz
Size, Enclosure H,W,L (inches & mm) 7.4 x 7.4 x 7.4 (188 x 188 x 188 mm)
Sub-Woofer Key Features Polypropylene cone, rubber surround, ported low-resonance MDF (medium density fiberboard) enclosure
Amplifier Style Plate
Amplifier Description 2.1 channel
Amplifier Class Type Class D
PCB Size (HxWxL) (mm) 0.98" x 4.25" x 2.5" (25 mm x 108 mm x 64 mm)
Amplifier Channel Count 2.1 Stereo with Subwoofer
Audio Input Analog via 3.5 mm male audio plug
Digital Input S/PDIF No
8 Ω both HF channels driven (Watts RMS) 10
Total Low Frequency (Sub-woofer) Output Power per channel into 4 Ω. (Watts) 7
Recommended Voltage (VDC) 15
Recommended Current (A) 2
Recommended Power (W) 60
Connectors / Termination - Speaker Input 3.5 mm audio jack
Connectors / Termination - Speaker Output L/R: RCA plug, Sub: Quick disconnects attached to the amplifier
Barrel Plug Connector Size (mm) 2