Martin Audio SX212 Dual 12" Passive Subwoofer
The SX212 pairs two 12" (300mm) long-excursion drivers in a single ported plywood enclosure for markedly more output than a single-12 cabinet while staying reasonable to transport. Its omnidirectional low-frequency pattern makes it a flexible extension for compact full-range tops in clubs, function rooms and portable rigs that need punch without a pair of 18s.
It handles 800W AES (3200W peak) at 4 ohms and reaches 138dB peak, with response down to 35Hz (-10dB). An 80-120Hz crossover region suits it to a wide range of tops, two NL4 connectors handle through-wiring, and integrated flying points allow rigging where floor space is limited. Finishes are black, white or a custom RAL colour.
| Drivers | 2 x 12" (300mm), 3" (75mm) voice coil, waterproof cone |
|---|---|
| Frequency Response | 48Hz-150Hz +/- 3dB, -10dB @ 35Hz |
| Power Handling | 800W AES, 3200W peak |
| Nominal Impedance | 4 ohms |
| Max SPL | 132dB continuous, 138dB peak |
| Connectors | 2 x NL4 |
| Enclosure | 100 L ported plywood with flying points |
| Dimensions | 872 x 390 x 437 mm (W x H x D), 39 kg |









