Presonus AIR18s Active Sound-Reinforcement Subwoofer

Designed to complement any full-range PA loudspeaker and a perfect companion for the PreSonus® AIR10, AIR12, and AIR15, the AIR18s subwoofer delivers a powerful, clear, and accurate low-end punch. With its 18-inch low-frequency transducer, driven by 1,200 watts of Class D power, it provides plenty of detailed bottom end—all the way down to 30 Hz. Yet it is portable and well suited for mobile applications, as well as installed systems.

Features:

• 1,200W (dynamic) Class D power amp
• 18-inch woofer with a 3-inch voice coil
• Frequency response: 30 to 150 Hz
• Max SPL: 129 dB
• 2 combo XLR-¼-inch line inputs and two XLR direct outputs
• Easy-to-use DSP performance presets: Normal — typical FOH use, Mo’ Bass — extended low-end performance
• Locate—adjusts performance for arrayed and non-arrayed applications, Normal — non-arrayed applications, Cardioid — creates a ground-stacked cardioid subwoofer array (using two of the same model subwoofer), Endfire — creates an end-fire cardioid subwoofer array (using two of the same model subwoofer)
• Fully variable lowpass filter (sets the upper-frequency limit/crossover point) LP filter presets for use with AIR15, AIR12, and AIR10, LP filter presets for use with AIR15, AIR12, and AIR10
• Alignment delay — adds delay time relative to the full-range speaker
• Polarity — invert the polarity of the summed input signal
• 1,200W (dynamic) Class D power amp
• 18-inch woofer with a 3-inch voice coil
• Frequency response: 30 to 150 Hz
• Max SPL: 129 dB
• 2 combo XLR-¼-inch line inputs and two XLR direct outputs