✓ SOUND FIRST DESIGN – Engineered by Cambridge Audio, the SX120 subwoofer reproduces your favorite music with incredible passion and detail. Focused on audio bang-for-buck, this subwoofer delivers performance without unneeded features. ✓ POWERFUL BASS FOR IN-HOME ENJOYMENT – The SX120 is a perfect match for the SX series speakers. Its 8-inch woofer produces bass that reaches lower depths and fills the room with dynamic sound for an immersive musical experience. ✓ RIGID MDF CABINET– The solid MDF cabinets further help with producing clean, well-balanced tones by minimizing unwanted resonance from muddying the sound, even at lower volume levels.