MDF ported enclosure, speaker 12"/30cm, volume 40 liters
MDF ported enclosure, speaker 12"/30cm, volume 50 liters
MDF bass tunnel enclosure, speaker 12"/30cm, volume 50 liters
MDF bass tunnel enclosure, speaker 15"/38cm, volume 70 liters
MDF bass tunnel enclosure, speaker 2 x 10"/25cm, volume 2 x 35 liters