Joining the Avant 900i range is a revised digital subwoofer – the new 309i. Delivering powerful and taught low frequencies thanks to its aluminium driver and digital amplification, the 309i
remains compact enough to fit seamlessly into any listening room. Rated at 175 watts, it incorporates an Adjustable Notch Filter to enable more flexible control over the 309i’s position.

Frequency response (Hz) 35-200kHz
Power 175 watts Active
Drive units (1) 255mm (10”) long throw woofer
X-Over type Active – variable between 50 – 200Hz
Dimensions mm (hxwxd) 370mm x 370mm x 370mm
Dimensions inches (hxwxd) 14.6″ x 14.6″ x 14.6″
Weight (kg) 15kg
Weight (lbs) 33lbs
Magnetic shielding Yes