AD Flex-928a is one of the most powerful 2 x 18" subwoofers in the pro sound catery.  Featuring a high power, hypervented 2x18" dwoofer, with 4" voice coils, this cabinet is designed to deliver a serious amount of low frequency.  The amplifier section features a 2800w RMS SMPS Class D Amplifier with full dsP, the FLex928a Can perform in the most demanding situations. The input board inclues volume controol, ground switch, preset switch, cover , end fire, an inverted stack.

• 138dB Max SPL
• 30 Hz - 400Hz Frequency response
• 2 x 18" Hyper Vented woofer, 4.0" voice coil
• DSP controlled input section with selectable presets (e.g. cardioid)
• 5800w Peak, 2800w RMS class D Amplifier
• Baltic Birch Cabinet