5.25 Inch Enclosed Subwoofer with 2.1 Channel Amplifier
Brand Name
Turnkey Systems
Part #
BJ21-03
Built to Order
$189.99
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) »
| 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 |


