5.25 Inch Enclosed Subwoofer with 2.1 Channel Amplifier

Brand Name
Turnkey Systems
Part #
BJ21-03
In stock
$189.98

The BJ21-03 introduces a high-quality system solution your next audio project. This enclosed 5.25” subwoofer, powered by a 2.1 channel amplifier, delivers crisp low frequencies for a variety of applications, making it perfect for anyone looking for a drop-in component for customizable audio experiences.

  • 5.25” subwoofer
  • 2.1 channel, class-D, plate amplifier
  • MDF ported enclosure (9.5 x 7 x 5.5”)

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 - Number of Channels 2.1 (Stereo Sub)
System Frequency Response 45 - 20kHz
System Maximum Output (dB SPL) 100
Sub-Woofer Description 5.25" (133 mm) subwoofer
Sub-Woofer Impedance 4
Enclosure Style Ported
Sub-Woofer Frequency Range 45 - 20kHz
Size, Enclosure H,W,L (inches & mm) 9.5 x 7 x 5.5” (241 x 178 x 140 mm)
Amplifier Style Plate
Amplifier Description 2.1 channel
Amplifier Class Type Class-D
Amplifier Channel Count 2.1 Stereo with Subwoofer
Audio Input Analog
Digital Input S/PDIF No
Total Low Frequency (Sub-woofer) Output Power per channel into 4 Ω. (Watts) 15.2
Recommended Voltage (VDC) 15
Recommended Power (W) 60
Connectors / Termination - Speaker Output HF: 2x RCA Sub: 2x Quick Connects