Sure Electronics AA-SP15113 Subwoofer module

The AA-SP15113 SUPB7615 from Sure Electronics is a compact 3-inch surface-mount subwoofer module designed to deliver impressively deep low-end bass without demanding excessive space. This unit is ideal for upgrading small-scale audio systems, such as desktop speakers, portable Bluetooth enclosures, or custom car audio installations, where adding substantial bass presence is desired but room is at a premium. Its surface-mount design simplifies integration into existing cabinets or DIY projects, making it a versatile choice for hobbyists and professionals alike.

Technically, this subwoofer module boasts an 8-ohm impedance and an exceptionally low resonance frequency of 16 Hz, enabling extended low-frequency response that reaches deep into the sub-bass region. With a DC resistance of 7.5 ohms and a voice coil inductance of 1.61 mH, it is engineered for efficient power handling and controlled performance. The sensitivity is rated at 80 dB SPL at 1 metre with 2.83V input, ensuring adequate output for its size. Whether you are building a compact home theatre system or enhancing a portable audio setup, this subwoofer module provides a practical solution for achieving rich, room-filling bass.